Paste it in your userconfig.cfg

then run with any weapon at max speed, and press ALT.

Try it a couple of times and you'll get the rhythm.

Код:
Alias "w5" "wait; wait; wait; wait; wait"
alias "w10" "w5;w5"
alias "w20" "w10; w10"
alias "w40" "w20; w20"

alias "+duckrun" "+duck; w5; -duck; wait; +duck; w40; -duck"
alias "-duckrun" "+duck; w5; -duck;"
Bind "ALT" "+duckrun"