wrap on Japanese swords. The rough texture of the ray's Skin Keeps the leather from Sliding on the handle of the sword. Stingrays won't usually attack people and many people like to swim with the curious creatures. if you are swimming in coastal waters where rays live, it is a good idea to watch where you step or to use something to scare them away before you walk on the ocean floor. A stepped-on ray before you walk on the ocean floor. A stepped-on ray will use its stinger to say, "Excuse me, but please get off!"The venom is not deadly, but hurts more than getting stepped on!