A Thestral is a breed of winged horses with a skeletal body, face with reptilian features, and wide, leathery wings that resemble a bat's. They are very rare, and are considered dangerous by the Ministry of Magic.
A dog collar is a piece of material put around the neck of a dog. A collar may be used for control, identification, fashion, or other purposes. Identification tags and medical information are often placed on dog collars. Collars are also useful for controlling a dog manually, as they provide a handle for grabbing.
Types of Dog Collars. There are lots of different types of dog collars. The most common materials for making collars are leather, faux leather, suede, nylon, nylon blends, canvas, and metal chains. The buckles are usually made of metal, but collars that snap together often have plastic snaps.