Formula One is right to ban jewelry from the cockpit, but the governing FIA could have enforced the rule in a less confrontational way, according to Grand Prix Drivers' Association (GPDA) chairman Alex Wurz.

Seven-time world champion Lewis Hamilton and the FIA were in a standoff at this month's Miami Grand Prix over piercings the Mercedes driver has raced with for years and said he could not remove.

Hamilton has been told to take them out by the Monaco Grand Prix on May 29 but has said he has no intention of doing so.