What is a slingshot good for?

What are the practical applications of a slingshot? Is it just a toy for kids, or does it have real-world uses? Can a slingshot be used for hunting, target practice, or self-defense? Are there different types of slingshots, each with its own unique purpose? How does the design of a slingshot impact its functionality and performance? Is there a specific skill set required to effectively use a slingshot? What materials are typically used to make a slingshot, and how do these materials affect its durability and usability?