Mongoose Clean Shot Wrist Support Custom foam backing with two sizes: 1/8" and 3/16" "Clean Shot" is the 1/8" foam ONLY for bowler who wants the least restriction, but still maintains the optimum wrist protection and support The 3/16" will give you more support, or combine the foam backing into 5/16" for the most support Optional plastic insert that comes with it will stiffen the "Clean Shot" for a full wrist support Made in the USA