Cordage Maker Micro Tool : A keychain Size Rope Maker
A plastic bottle can be waste, or it can become useful cordage.
The Cordage Maker Micro Tool guides a plastic bottle across a small cutting blade to make a long, even strip. Use the strip as flat binding material or twist it into thicker cordage for repairs, lashings, camp projects, and improvised fixes.
The stainless steel tool is only about 0.5 by 2 inches and 0.030 inch thick. That makes it small enough for a keychain, zipper pull, pocket kit, or emergency bag. Its tiny size takes careful setup and a little practice, but it gives you a way to make useful material from bottles you would normally throw away.

Turn Common Bottles Into Useful Material
Cordage is useful for repairs, tie downs, lashings, bundling, and camp projects. It is also easy to use up.
Plastic bottles are common and surprisingly strong when cut into a continuous strip. The hard part is keeping that strip even. This tool controls the cut so you can turn a bottle into material you can actually work with.
It is a simple idea packed into a tool small enough to keep with the rest of your everyday carry.
Small Enough to Carry, Built to Make Cordage
- Purpose: cuts compatible plastic bottles into long, even strips
- Size: approximately 0.5 by 2 inches
- Thickness: approximately 0.030 inch, or about 1 mm
- Material: stainless steel
- Carry: keychain, zipper pull, pocket kit, small pouch, or emergency bag
- Setup: uses very small hardware to keep the tool compact
- Learning curve: expect a few practice bottles before strips become smooth and consistent
- Output: total length depends on bottle size and strip width
- Made in the USA


Practical Uses for Rope Made with This Tool
Rope made from plastic bottles can be used for:
- Shelter tie downs and lashings
- Gear and pack repairs
- Securing loads or equipment
- Traps and snares
- Emergency rope when traditional cordage is gone
This rope making tool allows you to create usable rope on demand using materials that are commonly available in both urban and outdoor environments.
Practice Small, Then Put It to Work
The fastest way to learn this tool is to test it at home. Start with a clean, smooth-sided bottle, take your time with the setup, and practice keeping steady pressure as you cut.
Once you can make an even strip, add the tool to a repair kit, camp kit, vehicle kit, or everyday carry setup.

Cordage Maker Micro Tool FAQ
Quick answers about the Cordage Maker Micro Tool, its size, tools, setup, and use.
WHY CHOOSE GRIM WORKSHOP'S SURVIVAL TOOLS?
INNOVATIVE DESIGN
We focus on creating multi-functional tools that maximize utility while minimizing space.
Expert Craftsmanship
Our tools are made in the USA with the highest standards of quality and durability.
made in the usa
Crafted in the USA, our products deliver premium durability and American craftsmanship.
Field-Tested Reliability
Our tools are trusted by outdoor enthusiasts, survivalists, and bushcrafters around the world.


ABOUT GRIM WORKSHOP
Grim Workshop is dedicated to creating innovative, durable, and compact everyday carry (EDC) and survival tools that you can rely on in any situation. With nearly a decade of experience, we pride ourselves on crafting tools that combine practicality with ingenuity, ensuring they meet the highest standards of quality and durability. Made in the USA, our products are designed to be both effective and convenient, fitting seamlessly into your daily life or survival kit. Whether you're a seasoned outdoor enthusiast or someone who values preparedness, Grim Workshop provides the tools you need to stay ready for anything.


family owned and operated
Cordage Maker Micro Tool : A keychain Size Rope Maker is proudly crafted in the USA, ensuring that every piece meets the highest standards of quality and durability. Made with precision and care, this card embodies the best of American craftsmanship, providing you with a reliable and robust survival tool that you can trust in the most demanding situations. When you choose this card, you're not just getting a tool—you're getting a piece of equipment built to last.
Reviews (29)
Benny Shropshire
VerifiedWorks great other than you need a microscope to put it together lol
Chris Affleck
VerifiedSuper cool!
Alexander J
VerifiedDoesn’t fucking work
Mack Langford
VerifiedIt's a cheap piece of shit
Benton Luther
VerifiedGood product
Ted
VerifiedSo cool! I had a very large version of a plastic bottle cordage maker. Worked great I can’t wait to use this one. I can’t put it together! The screws are so fine I can’t even use my glasses-screwdriver. Include a cheap throwaway screwdriver, and this will be perfect. I’ve had to order a microfine screwdriver. Can’t wait to try this out.
Dennis Mangrum
VerifiedJust doesn’t work. Reread instructions, took it apart and reinstalled per instructions. The dog tag works great .The micro is a no go for me . Really wanted it to work . Perfect size to EDC.
Brian Loftus
VerifiedSmall addition to your kit which might result in an ability to create cordage from discarded water bottles.
Mark Knighton
VerifiedUmm they sent me the dog tag one but it works
John Driscoll
VerifiedI did not like that upon receiving i found out that the unit came unassembled and was all very tiny pieces that you need a glasses screwdriver set to put together After the unit was assembled it was very hard to use because of its size
Colin Marley
VerifiedWell !!! Nice piece of kit, slightly hesitant, I put it together remembering to put the blade upside down and guess what, it worked and it worked well.
Kelvin Mendiola
VerifiedMuch smaller than imagined, but a very nifty tool! Simplicity, it deserves a great mention!
Robert Benningfield
VerifiedI love that everything fits in my wallet! Gotta love EDC!!
Collin Rotella
VerifiedWas very excited for this little gadget. It arrived, completely disassembled, with a tiny slip of paper for assembly instructions. Normally, I think that would be enough, but the orientation of the blade is extremely unclear. Ended up having to take it back apart three times and retry before I figured out the orientation the blade seems to work best in. That would be a little annoying on its own, but compound that with how tiny the nuts are that hold it all together, and it changes a small annoyance into a major PITA. Once assembled in the optimal fashion, the device does work, but it's tricky. There is certainly a knack to using it, and given it's extremely small size it is incredibly difficult to hang onto while using. So, 3 stars. Not something I would recommend, but wouldn't dissuade a buddy either. If the instructions were updated to make the blade orientation clearer (or if it was sent assembled), I would give it a fourth star. Make it more user friendly in the hand (maybe even just a band of rubber around the base plate), and it would have a fifth star. So not bad, but certainly has room for improvement.
Edward Reitmeyer
VerifiedWorks really well. Takes a bit to get the hang of but when you do there’s nothing to it. Definitely a handy little piece of kit to have.
Andrew T.
VerifiedI found the building of it to be annoying and it didn't perform well.
Ant Kozmiuk
VerifiedAwesome little tools, much prefer this size to the dog tag sized one.
Customer
VerifiedAmazing little tool, works great and so compact!
Michelle Harrison
VerifiedGreat product very impressed.
Tom Swango
VerifiedI really enjoy these. I believe that I own at least 4 of the micro and 1 or 2 of the dog tag size. I am not really sure as I put them in all my kits my kits, and in my car, in my pockets etc. I have noticed that some of the videos on you tube seem to think that there is a tehnique to using them but I have never really had a problem. If you assemble them per the instructions. I actually prefer the micros but also find that is I am cutting multiple bottles it an be hard on my hands unless I wear gloves. The last two micro I purchased I assembled both and cut about 25 feet of cordage with each one to make sure that it was assembled correcly and worked before putting them away.
Chris Birchall
VerifiedEvery thing about the Cordage Maker Micro Tool is sensational. It's minute size affords it to be able to be with you at all times, it's green for the environment (recycles plastic bottles) and provides the means for essential & emergency cordage all in this minute package. The clever cutting design reminds me of the manual pencil sharpener we had for school - a tried proven reliable design. I have tried it on 4 different plastic bottles and have been unable to get more than a several inches of cordage. I have re-watched the assembly and demonstration videos ensuring I have assembled it correctly and that the micro tool is at 90 degrees to the bottle to ensure optimum cutting. I have also tried to get it to cut (shread) a bit of paper and thin cardboard unsuccessfully. I can only come to the conclusion I may have received a "bad blade"(dull). It's such a shame because it's such a brilliantly designed tool that takes up no space and can be with you at all times.
Peter Barton
VerifiedThe micro cordage tool comes as a kit to assemble. The instructions are good, easy to follow. Not only is it fun to use, but having something like this in a terrible situation could actually help save your life. It's extremely light, well worth the price, and very easy to use. It'd be great if you have kids and you want to teach them about recycling, or if you're seeking alternative uses for old bottles you have lying around. A small 350ml bottle will give you more than 15 feet of usable plastic cord!
William Andrews
VerifiedGreat bit of survival kit! Looking forward to buying again!
Robert silverheart
VerifiedFantastic product. I plan on buying one for each of my family members. This cordage maker is an absolute must for any bug out bag or kit. Weather you're a hunter, camper, survivalist, or a novice. Get this tool it's too handy to bitch about a lil investment in the short term. In fact buy one of everything in this store , it's a one stop EDC shop.
Martinique Ramasamy
VerifiedThe blade is incredibly dull. Absolutely flimsy. I had hoped for something a bit more sturdy. You get what you pay for.
Gregory Tanner
VerifiedI'm really happy with my purchases from Grim Workshop this cordage tool gotten me interested into the habit of making my own line. It's working perfectly, I'm also looking at the other tools available for survival at Grim Workshop. 5 stars
Brad Scott
VerifiedGo to your garage in the miscellaneous box and put a kit together. Save your money
Samual Mahoney
VerifiedLive it
Dallas
VerifiedFast delivery, well made

Cordage Maker Micro Tool : A keychain Size Rope Maker
$12.95




















