The difference is the size of the individuals. The sika antler hat is small in size. The body shape of the red antler cap is relatively large. Antler caps are the platform-shaped horn disks left on the stag's head after antler harvesting by sika deer or red deer. They gradually ossify. When the horns are replaced, the horn caps and horn disks separate and break. The fallen horns are called antler caps, also called velvet antlers. Plate, deer flower plate, deer holder. There are two types of antler hats: the antlers are removed and the antlers are chopped off. Most of the receding horns fall off naturally in spring. It is better to pick up the newly shed horns in late spring. Generally, in winter or early spring, the horn is cut off with the brain bone, or it is sawed off from the base and air-dried.