Reach up and turn around - great! The girl tries to make herself into a cone shape, and an image of a cone appears. A second girl starts to sing and other cones appear as she mentions them.

For those of a certain age, Coneheads is an iconic 90s film. But for breakdancers, it seems, developing a cone-shaped head ...

A symmetrical double cone piece is positioned on the narrow end of a triangular track with a slight incline at the other end. The shape of the track and the pitch of the cones are such that the centre ...