The Original Index Knobber ® II is an ideal instrument for clinic or home use. Molded in highly durable polymer, it allows the user to apply deep, sustained and precise pressure to trigger points and to sore, stiff muscles. Hands-on therapists frequently comment on how easy it is to use The Original Index Knobber ® II tool because it protects the hand and forearm against fatigue and overuse while allowing maximum control and sensitivity to the patient. Available Colors: Ruby Red, Sapphire Blue, Amethyst Purple, Emerald Green, Glacier Blue and Crystal Clear.