Mary Poppins and my shuttle Options

[BumbleBJ]

Hi guys,

Just wondering if anyone has any whizz-bang ideas on how i can jam a 3rd hard drive in my shuttle. There appears to be enough room on top, and there's a spare cable, but no way of securing said hard drive. Are there kits to fit them in that are space efficient, or am i going to have to go down to the shed and 'rig' something up?

(Mary Poppins... because she has that bag that can fit just about anything... mm... yeh...)