A glass froster is a specialized refrigeration appliance designed to rapidly chill glassware, enhancing the presentation and taste of beverages served in those glasses. Typically used in bars and restaurants, these frosters use a combination of cold air circulation and sometimes a blast of CO2 or liquid nitrogen to quickly chill glassware to sub-zero temperatures. The frosted glasses not only create an appealing visual aesthetic but also help maintain the temperature of the beverage, providing a refreshing experience for patrons. Glass frosters are particularly popular for serving cold beverages like beer, cocktails, or desserts, where a chilled glass enhances the overall drinking experience.