Idea Exchange: Stay a pole's length away from aggressive animals Mar 01, 2007 By dvm360.com staff VETERINARY MEDICINE A 3- or 4-ft wooden closet pole with a hook at the end works well to remove slip leashes from aggressive animals. Lynn Krumree, veterinary assistant West Allis, Wis. Hot topics on dvm3605 ways to wow pet owners (and pets) 10 steps to take when a practice owner dies dvm360 sits down with Dr. Pol Ack! How do you spell that again? "Best. Veterinary Practice. EVER."