Here is a text tut for anyone who is struggleing with this,
TEXT TUT
1) lay down along side the pack a punch,
2) crawl forward until your head is against the wall,
3) then hold to left or right (depends what side your on) and get against pack a punch,
4) now you should be against the wall and the pack a punch,
5) keep your body touching both, and then hold towards corner with left analog stick, make sure its diagnol and your staying straight facing the wall. MUST BE STRAIGHT not turned.
6) then keep your right analog stick aiming straight at wall in front of you, should kinda glitch if you have it right.
7) stay holding the analog sticks unitl water falls,
8 ) make sure you hold it whole time until water is done other wise you get pushed off.
9) and enjoy your up!
10) works on both sides.
11) to get 3 or more up, have people not laying down run and dive into pack a punch machine right as water comes out. if timed right you will be in glitch as well