Or they could just wear cowbells around their necks.
Wow, you must never have had a weight problem. People that never have to worry about their weight look at people who do and make judgements that can be very wrong. My adopted Mom was like that and she had me on a perpetual diet even when I was in grade school. It was demoralizing. Please folks, don’t be mean to overweight people. It really doesn’t help them or you.