How To Make a Boxing Cobra Punching Bag Using the Kewlus Spring
Intro Make your own Cobra Punching Bag at home that is faster than some of the top brands on the market at just a fraction of the cost. To make it super easy I designed and produced a custom spring specifically for this purpose. I made it so that you can simply screw it onto a 3/4 inch galvanised steel pipe. If you have any questions please put them in the comments below and I'll respond as soon as I can. Also please share your thoughts and experience with others here if you make one. Items You'll Need: Kewlus Spring (KS9) - purchase here: https://kewlus.com/products/kewlus-spring-v1 Base pipe: galvanised 3/4 inch pipe (1.05 inches outer diameter) the length of roughly half your height. I used a 3 foot long pipe for my height (I'm 6ft tall). The 3/4 inch pipe has an outer diameter that is 1.05 inches. The spring is designed to fit perfectly onto this pipe. You can also combine sections of pipe using a coupling , for example 2ft section and 1ft section to allow re...
