I'm playing a Gnome Berserker in a pirate themed Pathfinder campaign, and we recently killed a giant coconut crab. Being a gnome of somewhat less than average height, the crab was described to me as being as large as, if not larger, than me. So, after we killed the creature, I had the idea to strip the (skin?) off of the crab to use as plating for a fist weapon and maybe some sort of armor. I thought it would be awesome to be this little Gnome Berserker running around on deck in crab armor with his right arm encased in the hollowed out pincer of a giant crab.
Now that I have described my intentions, what sort of options would I have? I don't really have any experience with getting custom armor crafted like this and I would appreciate some ideas, guidance, or even just some references to read up on.