Next, I tackled the B-pillar. There is a small trick to this. You don't need to remove the front side weather stripping, just the vent window. Now, once you get the seatbelt bolt off, (which is a #16, you have to give it some force for it to budge more than 1/2") you have the "seatbelt height adjustment knob" or whatever you call it. This you can either pull off in a fit of rage or, as I later found out, can use a needle nose pliers from behind the b-pillar and unclip it. Either way works fine.
Here is a side view of where you can unclip the knob: