Monsieur Cocktail's products are used in various settings, including backyard BBQs, parties, special conversations, and family camping trips. Their syrups can be enjoyed in a wide range of venues, from casual gatherings to more formal occasions. As for usage, their products offer versatility, allowing individuals to create a variety of cocktails, mocktails, and even non-alcoholic beverages. While they don't mention a specific cocktail for their Aperitivo Spritz sans alcool, it can be used as a key ingredient in a classic Spritz or mixed with other ingredients like apple must and sparkling water to create a refreshing Britz. The possibilities for creative mixology are endless.