Step 1.
- Chill a martini glass by filling it with ice water and setting it aside.
Step 2.
- In a cocktail shaker, combine the vodka, olive brine, and dry vermouth.
Step 3.
- Fill the shaker with ice and shake gently to combine the ingredients.
Step 4.
- Empty the ice water from the chilled glass and strain the mixture into the glass.
Step 5.
- Garnish with an olive skewer.