How to pronounce “prehensile” in English

If the ship's kind of rocking about a lot and you have a prehensile thumb, you could grab onto a rope or something like that.

And she also had, on top of that, a prehensile thumb, an opposable thumb that could pick up objects, which was really, really good for using tools.

And there is one called Egg Fu, who is a 40 foot tall egg with a giant prehensile Mandarin