Put cheese, bacon, and onion through medium blade of food chopper.
Blend in mayonnaise, dry mustard, and Worcestershire sauce.
Stuff each frankfurter with about 1 tablespoon of the mixture.
Separate the crescent roll dough into the triangles; cut each in half forming two long pieces.
Wrap a piece of dough spiral fashion around each frankfurter.
Place on baking sheet.
Bake at 425Â°F 10 minutes, or until rolls are golden.
Garnish each frankfurter with a sweet gherkin on a frilled wooden pick.