[header] How to desensitize a horse [title] Put a long, comfortable lead on the horse, if possible. [step] Before you begin desensitization training, put a well-fitting halter onto the horse. Attach a long lead that won't tear up your hands if you need to pull it. 
[substeps] If you are trying to desensitize the horse to a halter or bridle, see more specific information on haltering an unruly horse and bridling a horse. The steps below may still provide useful information as well.