I purchased your device to help relieve the pain in my left shoulder,so far I haven't noticed much relief. This might be because of the severity of damage in my shoulder from two rotator tears and no cartilage in my joint area.I bought your device, hoping it will speed up my recovery from surgery that I have scheduled on November 23 2015. I really hope it helps! I will contact you in the future,after my surgery. I do like the quality of the device.