Are you just beginning your recovery journey? Then you'll want to start with the White Roller.This roller is made of three 1" hard plasticballs strung on a flexible rod. You'll use it first for exploratory circular massage in your arm, to locate your trigger points. Then, using the center ball of the roller, you'll apply focused pressure on those trigger points. The White Roller will get you going on a path to recovery and regular muscle maintenance.