This is a martini. But it's a martini with a lovely raw oyster soaking in the bottom of your glass, so that when you finish your drink, you have a gin-soaked oyster.
3 oz Bulldog gin
1 Chesapeake Bay Oyster (any variety)
Chill martini glass
Shake gin with ice
Pour ice out of glass, coat inside of glass with vermouth
Pour out vermouth