Specifications: elastic rope length 35 cm total length 40CM
Uneasy Bounce trainer training device Leg strength and agility training strap
From a biomechanical point of view to improve leg strength do anything you can do to achieve the squat action or participate in any sport, enhancing the jump, speed, and strength are very helpful with a rubber foot ring/ring the adjustable wrist, snap Department can add more elastic rope to increase resistance.
MobiCoins
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