Wake up the nerve endings on the bottom of your feet with the Therapeutic Rock Mat.Made with different-sized firm foam mounds, it replicates the sensation of walking on rocks, targeting pressure points to release tension and reduce pain for unparalleled relaxation. Not too hard to cause pain, but just the right firmness to promote relaxation, reduce fatigue and stimulate the nerve endings in your feet. Train natural proprioceptive capacity by standing and walking on the Rock Mat in the comfort of your own home without having to go outdoors. Perfect for a standing desk, in your bathroom or inside the gym.According to a 2005 study published in the "Journal of the American Geriatrics Society," older adults who regularly walked on cobblestone surfaces displayed lower blood pressure readings than those who walked on regular surfaces or engaged in no physical activity.