cstrike

This Script allows you to crouch without holding a key. Press it once to crouch and again to stand.

Spoiler:

alias duck_t "duck_on"
alias duck_on "alias duck_t duck_off; +duck; developer 1; echo Ducking enabled; developer 0"
alias duck_off "alias duck_t duck_on; -duck; developer 1; echo Standing enabled; developer 0"

bind "x" "duck_t"