I have never once seen anyone win at any of these claw machine things:
If I were to win I would make a point to make a huge deal about it
overeact and start screaming.
Because I would want to be sure that everyone who was around never forgot about that time they actually saw someone win something from one of those claw machine things.
I was tempted to try my luck at the claw machine based on this picture that was on the front of it: