Stretching a slack on a man’s back , it’s possible, but on 45m , it’s  a bit more complicated !! The Swiss did it and that’s how it looks like !!

Lets tells us that there were weird changes of tension, and that if the first person holding the line on the front on his shoulder moves a little , it’s really unsettling. But ultimately it is not that hard , especially very funny! The hardest thing is to go fast so that it doesn’t strain your friends’ shoulders for hours …