“The boiling frog is a common misconception describing a frog being slowly boiled alive. The premise is that if a frog is put suddenly into boiling water, it will jump out, but if the frog is put in tepid water which is then brought to a boil slowly, it will not perceive the danger and will be cooked to death.” Maybe not so much…
But for a live carrot, it’s quite successful method, especially if a nice bath of vegetable or beef stock is prepared.