1/4 c. ketchup
1/2 tsp. salt
1 tbsp. bottled horseradish
1 tsp. Worcestershire sauce
2 tbsp. vinegar
Dash of cayenne pepper

Mix and serve in 4 small glasses or lemon shells with 6 small clams or oysters in each. Shrimps, prawns, or lobster may be used instead of clams or oysters.