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Jacknobber II Massage ToolThe Jacknobber II is a unique hand held massage tool designed to give a pleasant and relaxing back massage. The knobs at each of its four points can be used to apply deep pressure to muscular trigger points. The smaller knobs are used to give deep pressure while the larger knobs are used to apply gentle pressure. Work out trouble spots using one knob or two knobs for sore muscles on either side of the spine. Wherever your trouble spot, this handy little tool allows pain-releasing pressure to the back, neck, shoulders, and to muscles throughout the day.The Jacknobber II can be used anytime of day either over the clothing or directly on the skin without massage oils. Versatility of use is limited only by the inventiveness of the user. Pressure can be either deep and intense or gentle and relaxing according to your needs. Its unique ergonomic design makes it ideal for clinic or home. Color may vary.100% Satisfaction Guaranteed!
It is a advertised and very easy to use. It fits my "medium" sized hands.