Forward/Backward Piston for SHIATSULOGIC EX/R/LXThe SHIATSULOGIC EX R LX Pedicure Massage Chair's Forward Backward Piston is a crucial component that ensures smooth and precise movement of the chair. Designed to enhance both comfort and flexibility, this piston allows the chair to move forward and backward effortlessly. Features Smooth Movement: The Forward Backward Piston enables easy and fluid adjustment of the chair, allowing clients to move into the most comfortable position without any effort.