Four Loko - an energy drink containing 12% alcohol, Four Loko Athletic Shirt equivalent to 5 or 6 cans of cheap beer, invented by three American students has become a popular drink among young people. The US Food and Drug Administration has warned about the ingredients in this drink dubbed "Death in a can". Later, the composition was also changed but still dangerous for users. Despite warnings, some bars still mix energy drinks with alcohol. Because guests who drink this type of drink will have a strange and interesting feeling, but in fact, they don't know that the drink is stronger than alcohol, making people feel like inhaling cocaine.