I do remember that Christina Plate refused to answer the question whether she was ticklish or not, on another gameshow 10 to 12 years ago.
The host, Elmar Höring, asked her if she allowed him to tickle her. She just said: "Not in public".
I think this answer leaves a lot of space for...
I have purchased some of them some time ago. According to my latest information, he does not sell clips in any digital form, VHS tapes only.
The quality of the videos is ok, but sometimes he has a strange habit of recording against the bright light coming from the windows in the background...