What are the real examples of perfectly elastic supply?

A real world example of truly perfectly elastic supply is really difficult. We would be looking for a good that any increase in the price would lead to an infinite supply and any decrease in price would lead to zero supply.There is only one example that comes to mind that comes close

What is the best motivational thing you have ever seen in your life?

When I was in school, there was a boy in my class who had a personality which always gave an impression that he can't do anything remarkable in life. He was so weird, sounded so dumb and never got any