Corner Glitch Help?

Alright So i was Doing this corner glitch i found in the net...
So after i did that i died i was like wdf???
So i thought i was missing some of my DLLs...
If you know what DLL this was plz tell me...
XD really i had a DLL that lets me Survive in boxes or corners...

Oh and by the way i did not have any troubles doing it yesterday

i get clients alot when i glitch

Do it in Merdina or something like that (the one for hm/mm)
at the place on top like barriers..
ill make tut later

hahaha i had corner glitch for PORT S&D Unpatched not lying i planted the boom out of the map

This is what i do. I stand on a corner of a box, i jump, then i hold shift and press a&d fast and once u fall down into the box alittle i walk forward and crouch, some boxes hurts you some boxes give errors