Core Stix Replacement RodCore Stix (X Lite, Lite, Medium, Heavy, and X Heavy) Introducing Core Stix! This revolutionary product offers guided graphics and full body exercise at any level, providing strength, stability, balance, flexibility, and other performance improving exercises. This is a pair of replacement rods. It is compatible with either the Pro Board or the Triple Arc Floor Mount System. Core Stix provides a unique solution that allows patients to safely and