In a mixing glass, add ice, gin, and dry vermouth. Stir rapidly to chill. Strain into a chilled glass. Garnish with an olive or lemon twist. Make your martini dirty by adding a splash of olive brine.
A red tint may also help improve contrast and support depth perception. Polarized, blue-tinted glasses can help reduce glare from water or snow. The blue tint can also help with color perception. One ...