To solve the problem that if an automobile with an easy-to-use back door capable of carrying various kind of baggage is often used for leisure, and a device for hooking equipment for leisure or the like can be easily mounted to the back door, it is convenient and pleasant in the leisure life, but the mounting method by a sucker causes a lot of inconvenience of dropping or falling or the like.

A hunger pipe is mounted by utilizing a latch device part of the back door locking mechanism. The mounting is performed by allowing a striker-shape part to bite, and a pillow and deflection enables response to many types of vehicle. The pillow and a positioning plate eliminate rattling of the mounting, and prevent damage due to stress of the latch device part, and scratch of the vehicle. Applying an attachment to the hunger pipe enables response to multi-purpose application.