By Arysta Bogner-Wood, B. Kin. Mobility Coach & Kettle Bell Instructor World Champion Bikini Model & Developer of the Travel Roller ®   Your spine is like a Tree. The Integrity of the Tree is only as strong and balanced as the roots and branches. To have a strong Tree Trunk that can weather the storms of life stress and training we must have the proper balance of stability and mobility . Using the Travel Roller® 4.3 we can effectively balance out...