User blog comment:Mckrongs/Monster Hunter 4 for the Nintendo 3DS/@comment-98.14.68.173-20120820225417/@comment-1011548-20120821213749

The only problem there is that Agnaktor's head is narrow and slender, not the sort of big bulky thing a crab would use for protection.

Although I suppose Gravios heads are quite small as well, and that didn't stop Shoguns wearing them...