This bind is very useful for lining up nades including: smokes, molotovs, flashes and grenades. It will make your crosshair stretch out in all 4 directions to the edge of the screen. By default it is bound to the 4 key which is the most common key people press to take out their nades, but this can be changed. Pressing 1, 2, or 3, (when you take out your knife or weapon) will make your crosshair revert to normal. You will need to change cl_crosshairsize 3 to your own crosshair size.
The command for the most popular variation of this bind is below. When you press 4, the nade lineup crosshair will be activated - to change this key, press the "Change Key" button. Pressing 1, 2, or 3, will revert to your normal crosshair size. You will need to change cl_crosshairsize 3 to your own crosshair size. Copy and paste this command into your console to apply bind.
The above "command" is actually made up of four different commands.
The first command, "bind 1 "slot1 ; cl_crosshairsize 3";" binds the 1 key to two commands: the "cl_crosshairsize 3" command which will set your crosshair size back to 3, so that your crosshair will return to normal (change 3 to whatever your usual crosshair size is). Also, because we don't want to override the default setting for the 1 key (switching to your primary weapon), this command also binds 1 to "slot1", which will switch to your primary weapon when 1 is pressed.
The next two commands: "bind 2 "slot2 ; cl_crosshairsize 3";" and "bind 3 "slot3 ; cl_crosshairsize 3";" serve a similar function to the first. They will make your crosshair return to normal when you switch to your secondary weapon or knife.
The final part of this bind, "bind 4 "slot8 ; cl_crosshairsize 1000"", firstly binds the 4 key to slot8 (nade slot) and secondly binds the "cl_crosshairsize 1000" command to the 4 key, which makes your crosshair big so that you can use it to line up smokes and nades.
Find different variations of this bind below.
This command will toggle the nade crosshair on and off when you press the L key on your keyboard. Change "L" to your desired key. As with the other bind, you need to change cl_crosshairsize 3 to your own crosshair size. Copy and paste this into your console or autoexec to apply the bind.