Preparation Put the ice cube in an 8-ounce highball glass, squeeze in the juice of the lime or lemon, then drop in the shell. Add the gin, fill with club soda, and stir.
Preparation Put the ice cube in an 8-ounce highball glass, squeeze in the juice of the lime or lemon, then drop in the shell. Add the gin, fill with club soda, and stir.