DB UMA FREE is getting very popular in Japan.  This plastic bait has 4 arms that make a role of brake by water resistance as well as making a rolling action of the body.  It is originally designed for the best plastic bait for "Free Rig".   However, after seeking the castability/operability/falling balance in the process of development, it is also effective for no-sinker rig, swimming with weighted hook, texas rig, and carolina rig.  Great movement.