Latest version video of the complete DIY cobra punching bag build:    • How To Make a Cobra Bag using the Kew...  

Since this video and since launching the Kewlus KS2 Cobra Bag Spring I've done lots of tests and came up with many important modifications to make this the ultimate DIY cobra punching bag. Watch this video to get started:    • How To Make a Cobra Bag using the Kew...  

You can order the Kewlus KS2 Spring here: https://kewlus.com/products/kewlus-sp... Detailed instructions here: https://kewlus.com/blogs/diy/how-to-m....

Check out the full build and review video by one of the top boxing gear reviewers, Carlo Rosauro at CSquare Boxing:    • DIY Cobra Reflex Bag WITH Reedy Kewlu...  

Cobra bags explained: https://kewlus.com/blogs/general/cobr...