•Black decorating sugar, for the glass
•Juice of 1 lime, plus 1 lime wedge
•1/4 cup dark rum
•1/4 cup ginger beer or all-natural ginger ale
•1 black gummy spider
Spread out the black sugar on a small plate. Rub the lime wedge around the rim of a rocks glass; dip the glass in the black sugar, then fill with ice.
Combine the rum and lime juice in a cocktail shaker. Fill with ice and shake well. Carefully strain into the glass, minding the sugar on the rim. Top the drink with ginger beer and add the gummy spider