anyone know m9 super knife that DONT crash?

any m9 super knife thats works?

try youtube, they have good links to some

Just HexEdit one.
Don't make it go too fast or it will DC you.

The MP7 one, search the rez modding forum, and search superknife, and it is the one that says 2 superknife releases or something like that :P Has a minigun and an MP7 :P Use the MP7 as it is fast enough, and not ridiculous.