ZoN Hand Grips
http://www.amazon.com/gp/product/B005Y83SJI?tag=informasi0e-20
Use to increase finger hand and forearm strength and stamina
With regular use residual effects include toning the upper arm
Use For strength sport training and rehab
Durable chrome-plated steel spring provides medium resistance
Handles are covered in foam for comfort but provide a firm non-slip grip
