Related Clues:
- It's over your horse's head or over mine (8)
- Bonnet, perhaps, hides top set of wheels
- A nutcase
- Swot seen outside Ulster University is 'brainbox'
- Capital investment
- ... and of brain
- Hats, etc
- Hat(s)
- Brainbox
- Hats, hoods and helmets
- Principal stuff, like a mortar board perhaps
- Football helmet, e.g
- A nutcase?
- Part of the skull
- Hats, hoods, and helmets