[EricH]

Originally Posted by headlight

Do you have any pictures of pocketed gussets? I found the team 100 picture from last offseason but they didn't really "pocket" their gussets, they milled completely through them with a weight reduction pattern.

I would guess that that's what was meant by "pocket" by the OP. It's the same basic principle as pocketing a gearbox plate or similar item, just the pocket happens to be as deep as the plate is thick.