The Motley Assortment › Single Layer Faux Cow Hide Clay Pin Image 1 of 2 Image 2 of 2 Single Layer Faux Cow Hide Clay Pin $10.00 Faux Cow Hide & Leather Pin. Light Weight Polymer Clay With Silver Safety Pin Type Back. Approx. 1 Inch In Length. Add To Cart Added! Faux Cow Hide & Leather Pin. Light Weight Polymer Clay With Silver Safety Pin Type Back. Approx. 1 Inch In Length.