I seperate mine too.
On an 18.5" WSM it's the best way to get the flat to fit. I put the point in the center of the grate and lay the flat fat side down over it.
BTW: Don't forget to smoke some of the fat you trim off. Wait till it gets good and crispy. Great snacky treats!
My Boys: Joseph (EI); Andrew (EE); Daniel (EE)
My Toys: 10 WSMs (B, C, E, DH, DA, EZ, DZ, EO, DU, DR); 5 - 22.5" Bar-B-Q-Kettles; 2 - 18.5" Bar-B-Q-Kettle; 4 WGAs (EZ, DE, N, B); 2 SJPs ( DR, DR); 2 Smokey Joes (A, K); Genesis Silver C (DU); Brinkman Cimmaron.
"For when democracy becomes tyranny, those of us with rifles still get to vote"