Rim a double old fashioned glass with fresh lime and celery salt. Fill with ice and add 1/2 tsp. worcestershire, 1/4 tsp. tabasco (or to taste), the juice of 1/4 fresh lime and 1/2 tsp. grated horseradish. Top with clamato and stir. Garnish with a celery stalk and a cherry tomato (optional).