Why Not ?

Why Not ?
Ingredients :
5 cl Gin
2.5 cl Marie Brizard Gum Syrup
1 cl Marie Brizard Orange Curaçao
3 cl Grapefruit juice
0.5 cl Fresh Lemon juice
1 Egg white
Utensils used :
Filter
Citrus press
Shaker
Preparation :
Add the ingredients in a shaker with some ice cubes. Shake and serve in a collins glass with ice cubes.