Hangar One California Cocktail Contest: San Diego - One Hung Low

1.25 oz Hangar One Vodka Buddha's Hand Citron
0.75 oz Hangar One Vodka Kaffir Lime
0.5 oz Agave nectar

Muddle mint and cucumber, shake with ice, quickstrain and fine strain, pour over rocks on a raw sugar rimmed glass, top with soda. Garnish with cucumber slices and mint spring