I dunno. Grips sound sort of complicated, just like two individual earrings. The hello kitty hoard this game has been designed for wouldn't understand grips, it would just confuse their fragile little minds causing them to just create support tickets asking SE explain what grips are for.

You have to remember, anything from FFXI has to be considered arbitrary or complicated. Unnecessarily complex for no reason at all. It doesn't make any sense to have grips, as that might lead to customizing yourself in some way, and in the current philosophy of the game, there is simply no room for customization. There are just 3 gearsets to aim for. You must adhere to them. You must look like everyone else. You must not be special -- because if you're special, someone else isn't special and they deserve to be just as special as you.