Big Bends Lil Luber Ultra Nut Sauce Applicator by Big Bends. $9.98. The Nut Sauce filled Lil Luber applicator is the perfect tool to end pitch drift and problem string breakage. Comes with instructions, an ultra fine-point microbrush for ease of application and clean-up, 1 sticker, and a resealable zip bag. When used correctly 1 Lil Luber will treat 50-75 strings.