Panther Sweat

• 1 oz Tequila
• 1/2 oz Banana liqueur
• 1/2 oz Triple sec
• 6 oz Grapefruit juice

Shake the ingredients together with crushed ice. Strain into glass. Good with crushed salt on the rim of the glass.

Inspired by Harry Turtledove science fiction novel, and made by a bartender somewhere in either Chicago or Milwaukee one very long road trip ago in 1980.