It was a dig at Everton’s proposed move to a new stadium in Kirkby on the outskirts of Liverpool.

Residents of Kirkby, a mainly working class area, are sometimes derided as "sock-robbers."

This is a rather cruel reference to the way that burglars from the area allegedly put socks over their hands to avoid leaving behind finger-prints.

What started as a joke on a Liverpool supporters’ internet forum mushroomed into Wednesday night’s carefully-organised stunt, which was embellished with a raucous chant of "sock-robbers."