The skull of helmet hornbill is dirty towards the beads, which is difficult to clean. According to the relevant public information, the skull of helmet hornbill is called "crane top red", which avoids contact with sunlight, water, overheated light sources and liquids such as alcohol and detergent, so it is not easy to clean when it is dirty. Helmet hornbill is a tropical bird in the old world, belonging to Rhinoplax, a family of hornbills and Buddhists. The skull is like a helmet, covered with a protruding beak. Distributed in low-altitude forests below 500 meters in southern Myanmar, southern Thailand, Malay Peninsula, Borneo and Sumatra. Because of its solid skull, red on the outside and yellow on the inside, all kinds of handicrafts made are widely collected, known as crane top red. Just play every day. If you don't wear it, you can rub some olive oil every month and bag it for preservation.