Be very careful, this happened using a wheel brace and little force.
http://members.lycos.co.uk/clioracer/hpbimg/mcgard.JPGhttp://members.lycos.co.uk/clioracer/hpbimg/mcgard.JPG
Garage werent too happy, knackered one of their sockets removing it. Upside at least they didnt knacker the wheel.
