TheBodytec wellbeing Spiky Back Massage Roller is designed to stimulate blood circulation, massage muscles and relieve tension This 'peanut shaped' spiky roller was originally designed for back massage but is also proven to be highly effective in other areas Ergonomic contoured design means the spiky massage roller fits perfectly to the body to relax muscles and ease away aches and pains Comfortable and easy to grip the massage roller is portable and compact enough to take anywhere Easy to clean and store.