Felix Bühler Ceramic Rehab Ankle Gaiters - For sale here hock guards / stable boots (rehabilitation) from Felix Bühler in size Cob / VB with fused-in ceramic fibers to improve blood circulation. blood circulation. The left side is new, the right side has only been only worn under supervision in the stable and has been cleaned. Never been in the box or on the horse overnight. Shipping possible. Paypal available.