A footballer in Australia was sent off because he refused to remove the piercing from his penis, according to the website Anorak, which has a video of the incident.
Now a fierce debate is raging about how the referee knew about the piercing - and, indeed, if you can be sent off for refusing to remove such jewellery.
Aaron Ecclestone, who emigrated to Australia from Macclesfield in England, plays soccer for Melbourne's Old Hill Wanderers reserves.
The referee stopped the match against Swinburne reserves and marched Aaron to the dressing room to check his tackle. When they came out again, the ref showed him a red card.
Despite the ruling, Old Hill won the match 3-0.
ANORAK STORY AND VIDEO