The BFST solutions are extremely cozy and relaxing. The BFST® works by using Electromagnetic Energy to stimulate blood movement underneath the floor of the pores and skin. It is warm, although not very hot. It doesn't vibrate just like a massager. (You shouldn't use a massager on soft tissue injuries) https://physiotherapyfortendonrep11110.ziblogs.com/29019852/5-essential-elements-for-physiotherapy-for-bursitis