ELI5: Explain Like I'm 5

A wigwam for a goose's bridle

A wigwam for a goose's bridle is something that would go around a goose's head and be used to guide the goose. It is similar to a bridle that a horse might wear, and works by having a strap that goes over the goose's head and then ties around it. The wigwam is like a frame that fits around the goose's head and helps support the bridle strap. This can help make it easier to guide the goose in the direction you want it to go.