Knock Out 1 Gallon [Adco]Knock Out Ink Remover Knock Out is a very effective product for removal of inks, lacquer, nail polish and some glues. Directions Use full strength, Apply Knock Out to stain and tamp with brush, flex with fingers, or work lightly with bone scrapper until stain disperses into fabric. Apply more Knock Out if required. After spot is dispersed, flush with volatile dry solvent or reclean. For very heavy ink stains, apply Knock Out liberally and absorb with