Combine Ginger Beer and Orange Juice in a large measuring cup or pitcher. To sugar the rim of the glasses, pour a splash of this mixture onto a small plate. Pour sugar onto another small plate. Turn drinking glass (martini glasses are preferable) upside down. Place on top of the plate containing liquid mixture, submerging just the rim of the glass. Remove glass and place directly on plate containing sugar. Rotate glass around a few times so that its rim is sufficiently coated with sugar. Pour the rest of the beverage in glasses carefully, so as not to rinse off the sugar. For garnish, add as many frozen cranberries as you'd like and if you add a splash of vodka or bourbon, we won't tell.