Monkey Wrench Recipe 17Mar201917Mar2007 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