keep vodka and lychee liqueur in freezer, combine

1/4 cup vodka,
1/4 cup Soho lychee liqueur,
1 cup ruby red grapefruit juice, and
1/2 cup unsweetened cranberry juice in Pyrex measuring cup.

Pour portions into a martini glass with one ice cube and garnish with lime wedge.
for best results, let
measuring cup sit in fridge until almost the point of freezing