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 dvm360Pet Owner 2.0: A dvm360 Leadership Challenge Veterinary issues in 2016: Will this be the year of telemedicine? Top 8 nastiest things to clean at a veterinary practice The 12 days of veterinary client handouts Need a urine sample? Urine luck!