Trigger Point The Grid 1.0 Foam RollerThe GRID foam roller is for anybody who wants to move better. Use the GRID for a self massage and roll through the tight muscles, knots and kinks that prevent feeling good and moving well. The Grid features: "Green" technology Constructed with less foam than traditional foam rollers Designed to withstand constant, heavy, and repeated use without breaking down Built from EVA foam The Matrix & Distrodensity Zones Unique design allows for targeted