You are here: Home > Saddles and Tack > Horse Boots & Wraps > Hock Boots Air Lite Hock Boot Back On Track Hock Boots w/Holes Reflects your horse's natural body warmth and creates a soothing far infrared thermal warmth. Finn-Tack Back-On-Track Hock Boot with Hock Opening, Left Hock brace for left leg hock. Equipped with opening for the hock and three Velcro straps. Finn-Tack Back-On-Track Hock Boot with Hock Opening, Right Hock brace for right leg hock. Equipped with opening for the hock and three Velcro straps. Finn-Tack Back-On-Track Hock Boot, Left Hock brace for left leg hock. Equipped with three Velcro straps. Finn-Tack Back-On-Track Hock Boot, Right Hock brace for right leg hock. Equipped with three Velcro straps. Finn-Tack Back-On-Track Hock Boots w/Hock Opening Rattles with Leather Strap - Sold in Pairs - Ankle Rollers