Measure 2 oz of watermelon juice using a jigger into a mixing tin.
Squeeze 2 whole limes into the mixing tins
Add 1/2 oz agave and 8 mint leaves into the mixing tin
Add ice to the mixing tin and a 14oz glass
Shake, shake, shake!
Pour into 14oz glass with fresh ice using a strainer. Top with soda. Garnish with lime and mint