Muscle Putty Tier 1 Resistance Firm Wrist and Fist Isometric Workout 4 ozs.

描述

VERY firm putty that can be used for isometric squeezing exercises for writ, fist and forearm strengthening. Pull it like taffy and get a workout for your triceps and shoulders. If used consistently, you will feel the net result of firm, repetitive squeezing. 4 ounces Color changing Green