Life changing guide. Opened my eyes to a new world of possibilities.

I think you hold the L,M and B keys on your keyboard, or maybe tap them each to shoot? maybe we need some other external device since i have still been unable to produce results from my previous methods.
Perhaps the guide is incomplete.

now to find a guide on what lmb is

holy shit i've been needing a guide like this my whole life thank you so much mwah