Horseware Ice-Vibe Hock Boots Black Aqua. Each pack of Ice-Vibe circulation therapy boots contains 2 boots, 4 cold packs, 2 panels, 1 battery charger and 3 adapters for universal use. Ice-Vibe boots can be used before exercise using vibration only to warm the leg or combining both the cold pack and vibration boot helps to reduce soreness and swelling in the leg. Ice-Vibe boots increase blood flow and assist in the healing process, regular use of the Ice-Vibe boots reduces the risk of injury or damage to the horses leg. Read more… The Ice-Vibe circulation boots won the innovation award at BETA international 2012. The Ice-Vibe Hock Boots have been specially developed to fit the difficult hock area.