A dedicated sinker for creating your own original jig head using your favorite jig hook.Pursuing a stable cross-sectional shape along the hook, we support easy self-made with general tools such as pliers.Depending on your ingenuity, such as worm keeper and coloring, it is possible to mass-produce jig heads with high originality.It can be attached not only to jig hooks, but also to offset hook cranks and shanks.It is a custom item that comes in handy for precise weight adjustment and rig posture adjustment that will become apparent as you play more.