Demonstration
Step-by-step guide
1
Line up
Align yourself using this visual reference
2
Aim crosshair
Place your crosshair here

3
Throw
Press the keys to throw the grenade
W
A
S
D
Shift
Ctrl
Space
Left clickRight click
Hint
Aim at the stone tile below T lower, line up with the bottom of the black line on the wooden board, and jump-throw with BOTH mouse buttons.
Practice from exact position
Paste in CS2 developer console to teleport to the throw spot