Hmmm, I made one of those myself, but I'm afraid I broke the bearing on it the first time I used it, and to be honest, I wasn't convinced.
I think it's quite possibe that we didn't scald the bird for long enough though. Also, the speed of rotation seems to be very critical.
Perhaps the "fingers of love machine" (as my friend called it) will be resurrected some day, but for the moment, it's gone back in my big cupboard of half finished projects!