How To Make a Cobra Punching Bag Using The Kewlus PRO Spring

Happy New Year - the PRO is here! The Kewlus PRO Spring (KSR12PRO) is the ultimate boxing cobra punching bag spring. The best thing about it is that you can increase the speed to make it as fast as you want! The Kewlus PRO Spring can handle heavier speed balls, so you can use as much tape as you want to make your ball super springy or even adapt to use a leather speed bag! You can preorder the Kewlus PRO Spring here: Detailed instructions here: Check out the full build and review video by one of the top boxing gear reviewers, Carlo Rosauro at CSquare Boxing: Become an Insider (channel member) to gain access to top-secret goss as well as perks such as product discounts: Make sure to subscribe and turn on the bell so that you don’t miss out on upgrades and new builds!