Random FactsCuriousOneMarch 20, 201540's, con, gimmick, gusano, marketing, Promo, tequila, with, wormComment Tequila con gusano, which means with worm, started as a marketing gimmick in the 1940's Random FactsCuriousOneMarch 20, 201540's, con, gimmick, gusano, marketing, Promo, tequila, with, wormComment