id
to be able to buy the gun legally to prove they're old enough to prove who they are to prove who you are to show proof of identity to verify that it is them verify identity with event organizers verify person verify their American citizenship verify their identity for a credit check verify their identity for onboarding paperwork verify their identity to the security staff verify their identity with the shelter use it to smooth a sticker use it to clean nails steal identity to make a collage make money renting it to teens open a locked door.