You ever had those moments where you jump into a duel and the first thing that happens if your opponent comboing you like 3-7 times. So hvh is on. But you want to turn uppppp your settings without stopping and alt + tab to the external gui. And even if you use the ingame overlay, you still have to stop and open which means they have time to catch up to u and hit you so you have to waste ur pots. So by having a tabgui option at the top right or top left. You can just run and tap your arrow keys on your keyboard to modifying module's value