does anybody have any tips/pointers/exercises that would help me teach my dogs to jump properly and stop knocking bars? both are APBTs and both are dog-aggro buttheads, so classes aren't really a good option, but i work with both of them playing around in the backyard and it's done wonders for our training relationships. but both of them are starting to become bar-knockers, and i'd really like to learn how to fix the problem. not that either of them is likely to ever compete (unless struck by lightening and/or given total personality transplants) but i'd really like this to not become chronic. luce tends to barrell through jumps at any height and send bars flying. mushroom's more likely to knock them with his hind legs.