Warm hands with these convenient squares, which quickly reach temperatures of up to 129 degrees Fahrenheit after activation. Click a warmer’s metal disc to activate it Surface becomes cloudy as the disc rapidly heats up Squeeze to soften and prepare for reuse Boil in water to recharge
The unique, smooth resistance system builds the flexor and extensor muscles while enhancing your grip strength. The mechanism supports your forearm and wrist for maximum safety and comfort, while a variable resistance system allows you to measure your progress. The grip is also adjustable to suit a wide variety of hand and arm shapes. Designed specifically to strengthen wrist and forearm muscles. Made from durable poly resin with padded contact points and adjustable hand grip for a custom fit. The adjustable tension allows you to customize your workout.