An excellent tool to practice your grip: The Judo Uchikomi Exapander. Made 100% out of cotton, the rice grain structure gives the perfect feel of a judo gi. Designed to strengthen upper muscles as well as to help train the uchikomi technique without a partner.
6 Item Items
Warning: Last items in stock!
Strong: 3/4" (9-11mm) diameter and approx. 12' (4m) length
United States Design Patent D738,978