ProStretch Mini Knot Bad Hook Cane Trigger Point Self Massage Tool for Back, Neck, and Pain ReliefRELIEVES MUSCLE KNOTS & TRIGGER POINTS The ProStretch Mini Knot Bad Gen 3's four massage knobs on shaft are ideal for releasing myofascial trigger points for a deep tissue massage. Its massage knobs include rounded therapy nodes for targeting knotted muscles and pressure points. EXTENDED REACH The Mini Knot Bad is the ideal trigger point massage tool for getting into those hard to reach muscles, tackling those stubborn knots that just wont go away.