SKLZ Grip Strength Trainer Color:Black for you mathletes out there

for you mathletes out there

Comes equipped with removable turbo strainer and leak-proof snap cap

Spring loaded occipital lock

Its luxurious combed cotton and deep heel pocket cradle your feet in comfort while its reinforced heel and toe provide additional durability

SKLZ Grip Strength Trainer Color:Black for you mathletes out thereThe SKLZ Grip Strength Trainer is designed to increase finger, hand, wrist and forearm strength. It is also a great tool for rehabilitation, blood circulation, and stress relief. This SKLZ grip trainer is adjustable from 20 pounds to 90 pounds of resistance. Features Increase grip strength and endurance by training fingers, wrists and forearms. Easily adjust resistance from 20 lb. to 90 lb. to fit any training level, beginners to advanced. Great for