Nuull
bind W "+mfwd";
bind S "+mback";
bind A "+mleft";
bind D "+mright";

alias checkfwd "";
alias checkback "";
alias checkleft "";
alias checkright "";

alias +mfwd "-back; +forward; alias checkfwd +forward";
alias +mback "-forward; +back; alias checkback +back";
alias +mleft "-moveright; +moveleft; alias checkleft +moveleft";
alias +mright "-moveleft; +moveright; alias checkright +moveright";

alias -mfwd "-forward; checkback; alias checkfwd";
alias -mback "-back; checkfwd; alias checkback";
alias -mleft "-moveleft; checkright; alias checkleft";
alias -mright "-moveright; checkleft; alias checkright";
Bind
alias +LJ "-forward; +duck; +jump; +klook";
alias -LJ "-duck; -jump; -klook";
...
alias +CrookHasSwag "+duck; +jump; -forward; -back"
alias -CrookHasSwag "-duck; -jump;"
alias "lj" "clear; bind mouse2 "+CrookHasSwag"; echo "LJ bindings loaded""
alias "nolj" "bind mouse2 "+attack2"; echo "LJ bindings disabled""
...
alias +CrookHasSwag "+duck; +jump; -forward; -back"

alias -CrookHasSwag "-duck; -jump;"

bind "mouse2" +CrookHasSwag