Neck and Shoulder Dual Trigger Point Manual Roller Self-Massage Tool 

Mimic real therapist's hand:  The dual trigger point massager balls are designed to feel like a massage therapist's hands for deep penetrating the muscles for instant pain relief. Apply massager to neck, shoulder, or leg to reduce pain and prevent muscle injury.
Boost blood flow and circulation: This neck massager can help improve your blood circulation to release your fatigue and improve your sleeping quality to maintain good body energy. It can also help relieve your headaches or migraines and promotes healing from sprains or arthritis suffers
Targeted pain relief: The two soft massage balls can help loosen up the tense muscles by focusing on the main pressure trigger points. You can press, squeeze and knead to release your tight, stiff and aching muscles on your neck, shoulder or leg.
Self-controlled massage intensity:  Customize your personal deep tissue massage by controlling the pace, direction and intensity. 

Portable: You can start enjoying your own customized personal deep tissue massage no matter at home, business trip or on travel. You will feel refreshed and relaxed after just five minutes treatment.

How of use:
1. Place the massage soft head part on the back point of the neck, press the massager handle back and forth.
2. The pressure ratio can be adjusted by rotating the massage head.