BOYE-Suede Mitten Palms. Improve your grip when wearing mittens with this two-piece set of genuine soft suede mitten palms and thumb covers. The pieces are pre-punched for easy attachment to any store- bought or handmade mitten and matching yarn is included for sewing them on. Each package contains two palm pieces, two thumb cover pieces, attachment yarn, and a pattern for knit and crocheted mittens. Available in variety of sizes and colors (each set sold separately). Imported.