I discovered this method in the early 80s as a kid on French TV.
There was a program with Jacques Martin about "incredible" stuff. I remember a hairdresser who used a flame and J Martin almost agreed to try, another one about the world record in going back and forth through a door.
That one was the world record in how many duvets you can handle in a given time IIRC.
Note that this was 80, 81 or around that. This was the only source for such stuff in France so it was a big show (for children at least)
There was a program with Jacques Martin about "incredible" stuff. I remember a hairdresser who used a flame and J Martin almost agreed to try, another one about the world record in going back and forth through a door.
That one was the world record in how many duvets you can handle in a given time IIRC.
Note that this was 80, 81 or around that. This was the only source for such stuff in France so it was a big show (for children at least)