Monkey Wrench Recipe Posted on March 17, 2019March 17, 2007 by admin Ingredients 1 1/2 oz light rum3 oz grapefruit juice1 dash bitters Pour all of the ingredients into an old-fashioned glass almost filled with ice cubes. Stir well. Spread the love Related posts: Caitian Tongue Tickler Recipe Peppermint Pattie Recipe Seville Highball Recipe Choozymothers Milk Recipe