step 1 stay upright and leen against a roof or a surface under wich you can crouch and canot stand or one that you can go prone under and canot go crouched.

step 2 go crouched or prone and move your camera view to a 45 degree angle

step 3 move forward a tiny bit utill you cant stand or crouch

step 4 move your camera view so that the top of your screen is a bit tilted on a certain diraction but not to much

step5 change your stick layout to legacy southpaw

step 6 move to the left or right (depending on camera view angle)utill you can back crouch or stand

step7 work with your position and try to find the spot between the spot you can stand or crouch and the spot you can go prone or crouched




if this helped you please reply and if not there are good tutorials on youtube