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Brock is on the "basic" articulation scheme, which means no ab-crunch and a T-crotch. Being an articulation Nazi, this usually bugs the fuck out of me.
However, Brock has two extra arms with full articulation and is almost entirely made of new pieces (the shorts and one set of arms may be old, but I don't know for sure) and they had the foresight to put his lower legs on a swivel/hinge instead of just a hinge, so you can fudge wider-legged stances by rotating the torso.
A torso-hinge would be cool, but I honestly don't even miss it.
