Carys' Magic Alice Band. Adjust this to just the right rakish angle, hold your mouth just so... and it whisks you back to 1967 where Grace Slick is singing 'White Rabbit', pulsing new colours have recently been beamed in from a parallel dimension and rap has yet to rear its ugly tone deaf head.
She's promised to let me have a go but if she does I don't think she'll be getting it back.
Not to be confused with Captain Beefhearts Magic Band. That's a whole different trip.