Earlier in history, horses were everything to people. They were peoples methods of transportation and used for much more. If someone stole your horse, it was a big deal. So, that's kind of why they hung them.
The Society in Dedham for Apprehending Horse Thieves was created in 1810.
The Horse Thieves - 1912 was released on: USA: 10 October 1912
The cast of The Horse Thieves - 1912 includes: Red Wing
The cast of A Muddle in Horse Thieves - 1913 includes: Tom Mix as The Horse Thief
The Horse Thieves of Bar X Ranch - 1912 was released on: USA: 29 April 1912
Flipper - 1964 Flipper and the Horse Thieves 2-12 was released on: USA: 4 December 1965
On a wall
By sitting on the back and let both legs hang both sides of the horse.
ex. "The thief stole the burger in the middle of the night."
The mare's penis will hang down.
The purpose is to offer advice on how to keep your property safe and prevent theft.
Up until the early 20th century horse thieves were hung. It seems like a very harsh punishment for the crime but it actually makes some sense. People depended on their horses for many things. At times a person's livelyhood and occationally their very lives depended on having a horse. For the time, the punishment fit the crime.