Put two scoops of sherbet, crushed pineapple and the tablespoon of pineapple juice in a bowl. Mix with egg beater. Pour mixture into 2 tall glasses and add 1 scoop of sherbet. Pour in ginger ale slowly. The soda will become sudsy looking. Don't let it overflow! Hang a pineapple ring on each glass and serve with a spoon and a straw. Serves 2.