The Knobble II by the Pressure Positive Company
The Knobble II is the new design of the all wood favorite. Made of durable polymer with a band of non-latex, Santoprene, The Knobble II gives your hand more power when you need it.Use either the tip or the base for applying pressure on yourself or others. The Knobble II doesn't replace your healing hands- it just helps them do more and last longer.