1 lemon, cut into 4 wedges
5 leaves fresh mint
1/4 fluid ounce agave nectar
1 cup crushed ice
1 1/2 fluid ounces spiced rum
1 fluid ounce club soda, or as needed
1 sprig fresh mint
Muddle 3 lemon wedges, mint leaves, and agave nectar in a lowball glass until fragrant. Add crushed ice and rum; top with club soda. Pour mixture back forth into a mixing glass or cocktail shaker until blended.
Serve in lowball glass, garnished with a sprig of fresh mint and wedge of lemon.