Why Wednesday ~ My horse loves most of the Masterson Method techniques that I learned from the Beyond Horse Massage book, but he is head-shy and it is difficult to work with him on his poll. What could be causing the head-shyness? Answer: Most head-shy horses have underlying physical discomfort causing tension in the poll area. Physical discomfort or pain in a horse's poll can be caused by various factors, including trauma from an outside source (for example, rearing up and hitting the head in t