1. Wrap them in duct tape. 2. Dip them in rubberized tool coating (found at a hardware store). 3. Paint them. 4. shrink wrap them. or just leave them alone and wear gloves when you need to move or handle them. Regards, William Lorenzen Children's Hospital Boston, MA 617-355-7516 lorenzen_w@a1.tch.harvard.edu