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How To Make a Boxing Cobra Punching Bag Using the Kewlus Spring

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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 reduction
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How To Make a Free-Standing Punching Bag

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10-Step Instructions: Get 13 pool noodles (for a 6 foot tall punching bag), a roll of cheap packing tape and a roll of cheap cling wrap (or two). For your pole get a one inch wide PVC pipe - roughly 6 foot long. For your platform get an MDF (particle) board at least 2 foot wide and 1/2 inch thick. Alternatively if you don't want to make the base, you can simply use an umbrella base such as this one from Amazon:  https://amzn.to/3nY3J19 . For mounting your pole, get a one inch galvanised steel pipe roughly one foot long and a flange to mount it. You'll also need 4 thick, short screws to fix the flange onto your board - these are ideal: https://amzn.to/3gCO82H . Note, if you want to make your punching bag more rigid, use a two foot galvanised pipe. For fixing your PVC pipe onto your galvanised pipe you will also need a one inch hose clamp. Setup your platform and pole: screw the flange onto one end of your board; insert the galvanised pipe into one end of the PVC pipe and lock
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