To prevent the flexible lure from falling off from the hook, when a flexible lure is attached to the hook, by the centrifugal force loaded by the rotation of the fishing rod or by the resisting power of water in the water.

The head 10 as a sink is equipped with the connector 12 of the leader and the main body 13 of the hook having the sharp top point 14. A worm stopper 15 of a conical shape is fixed to the lead so that the bottom of the cone 16 may be arranged on the head side 10 and the cone top 17 may be directed to the top of the hook 14. The insertion interval 21 for a part of the flexible lure 20 to be inserted is provided between the cone bottom and the head 10.