6 pimento-stuffed green olives, cut in half
16 ounces gin or vodka
1 ounce vermouth
Using a paring knife, scoop out a small circle opening in the larger side of the radish and insert an olive half, cut side facing out. Place radish in ice cube tray. Repeat with remaining radishes and olives. Fill tray with water and freeze.
In a cocktail shaker, fill with ice and add gin or vodka and vermouth. Add desired amount of frozen eyeballs to each of 4 highball glasses. Strain martini and divide evenly between glasses.