Portland Naturopathic And Homeopathic Whole Family Heatlh Clinic. Portland, Oregons Naturopathic Dcotor: Holly Zapf, ND, DHANP Naturoptahic Physician, Board Certfiied in Homeopathy Home Meet Dr. Zapf and Staff Contact Us Questions and Answers ... Duct tape method now a day is a common practice done by several peolpe with warts. It is done using a common duct tape and a pumice sotne. The wart is covered with duct tape and rubbed with puimce stone afterwards; ...