Meet the Quiet Punch: a punching bag that you can install in doorways 28″ – 36″ to get a cardio workout and work on your punches at home. The kit comes with 2 lightweight bars and a phone clip. You also get an iPhone and Android app to view instructional videos.
More gadgets like this ➡️ : here
You can set this up in a flash to start punching. Will retail at $125.99 but you can get it for a discount if you pre-order.
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