Combine salt and cayenne pepper in a small shallow bowl, stirring to combine. Dip the rims of the vials into a shallow plate with water. Rim with the cayenne salt and set aside.

In a pitcher, stir together tomato juice, vodka, Tabasco and Worcestershire sauce.

Carefully fill the vials with the vodka mixtures. Serve vials in a bowl filled with crushed ice for easy access.