Sure. Let's say you have four mics. You put one inside the kick, one on the snare, and two overheads. I'd use the inserts on the overheads (since you can't EQ them) and the ones on the kick and snare coming out of the mains. Now on the insert channels, if you go in to the first "click" or fully seat the connector is really irrelevant. You set the level going to "tape" with the trim pots at the top of the channel strip. That's the ONLY controll that has any function when you're patching this way on these channels. The EQ has no effect on what's coming out of the insert. If any signal from the two channels you're using the inserts on is making it to the mains mix buss, just turn down the Fader all the way on those two channels. The two channels you're using for the kick and snare however DO see the EQ and the Faders and the pan pots. You'd pan those hard left and right, set the trim for proper gain staging, add any EQ you'd like (less EQ is best but that's a whole 'nuther thread) and patch from the mains out to "tape". Now you have Kick in mains left all by itself, snare in mains right all by itself, overhead #1 in an insert all by itself and the same for overhead #2.