'Right now it's greys and silvers ... nickel, zinc, pewter,” says Kris Torma. “Brass and copper go in and out of favour – they always come back. But bronze … well, bronze is forever.”

Torma and his brother know a little about trends. Back in 1995, their company, Axolotl, pioneered a technique for applying semi-precious metals to any surface, any size, any shape.