Robby's Bowling Accessories. Bowlers, instructors and pro shop operators! You asked for it, and here's Robby's Response. The soft leather like vinyl pads the while the additional length provides extra support for a stronger release. Plus, there's a single straight metal support in back and no metal in front to restrict movement just as you requested.Choose from blue, brown or burgundy. Right or left hand available in petit, small, medium, large and extra large sizes.