Trigger point mb 1 massage ballthe mb1 massage ball provides direct deep tissue compression for fast relief of aches pains and muscle fatigue designed to replicate the pressure of a massage therapists hand the mb1 is ideal for targeting small muscles such as calves piriformis and pecs the mb1 massage ball is a great choice for targeted relief its eva foam surface more effectively grips the areas being addressed to release discomfort and tightness without pinching or irritating nerves li