Firefighters freed a man's leg from a bicycle lock after his wife chained him to it to restrict his movement in northwestern China.<br /><br />The video, shot in the city of Xining in Qinghai Province on April 15, shows firemen using a tool to tear down the bicycle lock that his wife locked it on his ankle.<br /><br />According to reports, the couple had an argument, so the wife used a bicycle lock to lock a pan on the husband's ankle to restrict his movement.<br /><br />The video was provided by local fire brigade with permission.