Sold individually, our rubber gripper disks fit the RDS™ and attach by way of Velcro® for quick and easy replacement. No more sending in your shoes to have the gripper replaced. Simply pull your old gripper disks off and pop the new ones on and you are ready to go. Lefthanded? No problem with our RDS™ system you can customize your shoe right in the store. The wavy rubber pattern provides maximum traction on the ice. Now also available in Blue and Grey. Small Disk = Women's Back Medium Disk = Women's Front & Men's Back Large Disk = Men's Front