To mount a chain and the like to a wallet by folding a plate made of a resilient material such as plastic, and vinyl in two from the center and arranging a loop in one end part of the central line.

A loop 2 is mounted to a plate 1 with a bendable central part. A joint hook may be provided to the loop 2. In this way, a chain 4 with a hook, a string and the like can be easily mounted to the loop 2. Because the plate is made of plastic and the like, a pocket may be formed in each side of the plate 1 for storing a photo and the like inside. The chain 4 with a hook or a string has effect when it is locked on trousers or a band by means of a hook and the like. The central part 6 of the folded plate is made of vinyl and the like, while the plate parts on the both side can be provided with elasticity when they are formed by laminating plastic plates and the like.