Prusa i4 Bed leveling "Easy Knob”

If you are anything lazy like me who begins printing without leveling the bed and still gets pretty decent prints, then this is your stuff.
I usually set my 3D software (Simplify3D) to print 6 outlines of Skirt/Brim before the main thingy is printed. During this print I observe the brim outlines and use “the Easy Knob” to make adjustments to the bed level. Usually, the knobs make it easy to adjust; I get the bed leveled by the time the 3rd Skirt/Brim is printing. Print these knobs in ABS as the