New! Exclusive! Dare I say EPIC mod?
Just kidding, it's just a usb extension ran to the coin door. When you're slightly wider than the space you left between the games, this helps a lot.
10' usb male to female extension cable (around $4 on amazon.
And yes, you can load all your p-roc game updates on the same flash drive as the system looks for a specific title to update that specific game (you can also do this with jjp delta updates).