What's under these grommets?

Evening All,



Been thoroughly undersealing the new ZS over the past week, it's in very good order underneath and it got me thinking whilst I was under it as to what lies under these grommets in the front floor? (This isn't my picture but I robbed MGJohns just for illustration)...







It's normally the tyre shops favourite place to put their trolley jacks! Can't seem to work out what's under the grommets, it just feels like a void!

from the last news http://ift.tt/1eMneBW

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