[Versatile and Precise]: The psoas release tool is designed to provide the deepest relief for people of all ages and sizes. Target depth, usable on specific and inaccessible muscles. [Primary Effectiveness]: The psoas complex (hip flexors) is considered an important part of our body. Regulates our fight or flight responses, regulates our breathing and helps pump blood and lymph through our body. [Deep tissue release and Massage]: psoas release massage tool corrects pain and hip region dysfunction at any time. Stress, only stress releases muscle tissue in the human body. [Massage Therapist in Your Hands]: The psoas mass massager is designed to conform to the rigid shape of the therapist's hands and elbows , and now you have your own internal therapist. [Applicable areas]: Psoas release and deep tissue massage tool can massage hamstrings, thighs, inner thighs , calves, lower back, upper back, triceps, biceps, chest.