An ornament clasp and an ornament that can be easily attached and detached. The ornament clasp includes a holder (10) on a fixed side having a holding portion (20) where a personal ornament main body (2) is held via an opening (21), a closing member (12) on a movable side rotatably attached to the holder via a pivotal attaching portion (28) and locking form inside the opening to cause a closed state, a soft member attached to the closing member at least on a side of gripping the personal ornament main body, and a spring (13) attached in a repulsive state between the holder and the closing member and pressing the closing member in a direction of closing the opening. A grip space S where the personal ornament main body is gripped in a repulsive direction of the spring is provided between the soft member and the holding portion.

Provided is a safety hook. This safety hook is equipped with a hook part, a closing-off body supported by the hook part so as to be capable of swinging, and a first urging member for urging the closing-off body from an open position toward an closing-off position. The closing-off body comprises a closing-off-body base part, a first arm part capable of opening and closing the entrance of the hook part, and a second arm part extending in a direction different from that of the first arm part. The second arm part comprises a closing-off-body operation part. Operating the closing-off-body operation part causes the closing-off body to move from the closing-off position to the open position. The safety hook is further equipped with a lock member for securing the closing-off body in the closing-off position. Operating the lock-member makes it possible to unlock the lock member from the closing-off body.