Liv I use those velcro strips with adhesive backing, very easy to apply. You could try the magnetic strips too. Avoid the magnetic locks that are designed for cabinets. They may keep a door from swinging open, but aren't strong enough to stop a determined ferret! Linda Iroff Oberlin, OH Support the Ferrets Unlimited/Raisin Retreat Ferret Shelter by visiting http://www.iGive.com/html/ssi.cfm?cid=3585&mid=30146 [Posted in FML issue 2837]