[header] How to uncast a horse [title] Remain calm, as a clear head is essential for dealing in dangerous situations. [title] Let the horse know you are present by humming, whistling, clearing your throat, etc. [step] They may calm down when they know a human is nearby to help. 
[title] Determine whether you can open their stall without them sticking their feet or head out. [step] If you can't access the door, climb over a wall, and calm your horse down.