Most people use this as a technique to learn how to have minimal pressure on their mouse
#Using keyboard for left click
full slate
jovial trail
I wouldn’t recommend using a keyboard for aim trainers because the lack of pressure can give you a different feel compared to playing an actual game, which could result in worse performance. Obviously, it depends on whether you're aiming for high scores in the aim trainer or training to improve your aim in a specific game.
agile karma
true thanks mate @jovial trail i think ill stick left clik for the long term improvement in my games
toxic ibex
if you struggle a lot with simple moving your mouse slowly at a consistent speed, then go for it. But if you can move your mouse relatively smoothly while using M1 then stick to it