Hilph Ice Pack for Back Pain Relief, Reusable Lower Back Ice Pack Hot Cold Therapy, Lumbar Ice Pack for Back Injuries, Sciatic Nerve, Herniated or Degenerative Disc, Coccyx, Tailbone Pain sold2025 Patented Split Toe Design: OrthoSleeves BR4 NOT COMPATIBLE with K Patented Split Toe Design: OrthoSleeves BR4 Bunion Relief Socks have a patented split toe design which separates the big toe from the remaining toes thereby helping to realign the structure of the foot to reduce toe friction and bunion pain This decrease in pressure can cause Venous blood flow No worry slip off This back cold pack reduce your aches and swelling without any ointments or pills