mainly to increase hand, arm and upper body strength. The device contains a handle on each side, with a set of long springs in the middle. You can either pull on both handles at once, working against the resistance provided by the springs, or hold one handle steady...
Resistance Band Jump Rope Balance Board Push up bar Hand Grip Weight Vest Training Vest Tactical Vest Other Vest Bench Home Use Sit up bench Foldable Bench Flat Bench Weight Bench Storage Rack Wall Mounted Line Weight Lifting Barbell Dumbbell Kettlebell Plates Accessor...