The Lark Saouke is firmly fixed with the rubber magnet.Furthermore, it is a rubber magnet (magnetic force type) dedicated to the Lark Saouke to prevent rig entanglement.Just place the branched hooks on the super magnet, and the hooks adsorbs to the magnet.The main line will not get entangled with the leader line even if the wind blows.Suitable to sabiki and doutsuki fishing as well as night fishing.Mat size: 70 x 190 mm