Finding out what a tool is usually involves conducting some research or seeking information from reliable sources. One of the easiest ways to identify a tool is by examining its physical characteristics and comparing them with known tools in catalogs, reference books, or online databases. Looking for manufacturer's markings, logos, or any distinguishing features on the tool can be helpful in narrowing down the possibilities. Additionally, reaching out to experts in the field, such as tool collectors or antique dealers, can provide valuable insights and help determine the tool's purpose and origin.