Originally Posted by G and K's Mom
When you tack up keep your left elbow up and ready for him to "run" into it if he turns to bite. It usually only takes a couple of times before they figure it out.
I like this^^ My father in law has a bad habit of overtightening his cinch and his horse is now quite bad to try and nip when you cinch him. I think I have my FIL educated about how to tighten the cinch but it's become a habit with the horse and will take some time to cure.