The Grinch is a baitfish-like form that combines the frog body and the shad tail worm while maintaining the high snagless performance of conventional frogs. The action is not a dog walk or popping action, but is good at linear invitation by retrieve, embodying the "rolling frog" concept that has never been seen in frogs so far. It's a bait fish that escapes inside the cover. It hits the instinct of the bus hidden under the cover directly and induces a fierce bite.