2 oz of Gin
1/2 oz of St Germain (or Elderflower Cordial)
1/2 oz of Creme de Violette
1/4 oz of simple syrup
1/8 oz of Lemon Juice
1/8 oz of Lime Juice
Build in a highball full of ice. Top with soda. Stir to mix. Garnish with a long lemon twist or lime wheel.