For the Rim:Mortal and pestle the chile until fine, then stir in salts.
Wet the rim of a tumbler with a lime wedge. Dip the glass into chipotle salt and set aside.For the Cocktail:
In a cocktail shaker, muddle orange slices with ice, chipotle chile flake, grapefruit juice and lime juice. Add more ice, tequila and triple sec liqueur. Shake and strain into salted glass filled with ice.ย Serve garnished with orange slice.