GSM teaches us on how to mix drinks and drink with social responsibility. Also to teach amateurs or beginners like me on how to flair tend and mix cocktail like a pro.
This mixing made before as a workshop but right now its also a competition and some are profession. And they called the drink winner competition exclusive for bloggers to be called as toma-cum laude. They teach us the difference between a Drink, Rhum, Cocktail and a Gin.