Barbecues, wood burning stoves and coasters - are these the signs that you're middle class?

Would you consider yourself to be middle class? And how can you be sure anyway? If you own a barbecue then you're well on your way. Having an Aga or a wood burning stove also qualifies you - as does using coasters! Vinny spoke to working class hero Jim McDowell and etiquette expert William Hanson - who carried out the research.