How about:
A drunken cowboy can be quickly sobered-up with a dunking in the horse trough.
You don't have to tie any special knot when securing your horse outside the saloon. He'll just stand there 'till you get back.
How about: 'Police chiefs are selected by their ability to fly off the handle and yell at their best cops and detectives on the force.'
"That man had rights, Callahan!!!"