Roboworm FAT Worms – Roboworm has done it again, taking plastic worms to the next level with the FAT Worm series. “Old School” FAT worms were a customer request for years. Well, here you go! Poured with Roboworm’s precise computor guided machinery, this series features three color pours, and a thicker body that fish won’t ignore. Also featuring Roboworm’s “Salt Release Technology”, fish receive a burst of salt with every bite, and they won’t let go. Made in the U.S.A..