Know when to fold 'em!

Dominic Hargreaves's
The Contortionist...

has been shortlisted for this year's £10,000 James Dyson Award for innovation. The 24-year-old, from Battersea, London, said he wanted to create a decent folding bike after the one he was using collapsed.

I couldn't find a folding bicycle I liked. I wanted something that could take a bit of punishment and that you could have fun with. So I made one myself.