The use of shark skin was introduced to me several years ago during an internship in England. The skin of sharks has an abrasive property which once dry can be used like sandpaper on wood. Nonetheless, I find that a small piece of shark skin tends to last longer than sand paper. In the “Sacconi book”[1], there is a hand drawing of enlarged dermal denticles from a dogfish (Fig.29 p33). I.. Read More