The Speed Bag Is a Highly Underrated Workout

The Speed Bag Is a Highly Underrated Workout

You’re acquainted with the quick thud-thud-thud-thud-thud of the rate bag if you’ve ever before strolled right into a martial arts health club. That tiny, air-filled bag that holds on a swivel might look harmless– specifically when established versus the hulking existence of the larger, heavi …

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