By clever variation of the number of dowels per hub, someone had constructed various curved surfaces for the child.

A clever variation on the pull-out theme is Panasonic's CQ-E410, which will be available for $400 by early spring.

At one time, all it took to produce a page-turner was a clever variation on the standard formula of a plucky woman outwitting her maniacal stalker.

Even the sky overhead was a clever variation; she had keyed the stars to fol-low the movements of the real sky.

A trio stands out for its clever variations on a gymnastic motif as a woman "dismounts" from her two partners in a high, propelled arc.

However, all the ghosts in the ballroom scene are created using a clever variation of Pepper's Ghost, an illusion invented in the mid-19th century.

The Spade commission was a clever variation of his past work and at the same time an effective platform for the company's products.

He looked a bit like a hamster in a plastic bubble, but he played clever variations on movement, near-disasters, and speed riding.

The show also includes tapestries with new and clever variations on an ancient form.