Boxing Drills: How to hit the speed bag. We just got a new bag. I saw results fast like within a few weeks in my back, shoulders and arms doing these boxing drills!!!

Boxing Drills: How to hit the speed bag. We just got a new bag. I saw results fast like within a few weeks in my back, shoulders and arms doing these boxing drills!!!

Warm Up (10 min) // Six, 2-min rounds with 30-sec rest // Cool Down (10 min)

Warm Up (10 min) // Six, 2-min rounds with 30-sec rest // Cool Down (10 min)

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