Tattoo Convention 2010, Beijing, China

They may include contests and exhibitions, booths selling tattoo-related items and even booths rented for use by tattoo artists who work during the convention. Collectors may attend conventions specifically to obtain a tattoo from a particular visiting artist.
Other events may include professional events such as workshops and meetings as well as social events.
Contests, usually restricted to registered participants, usually feature a variety of categories: black-and-gray, tribal, oriental, backpiece, women, men, and so on. Judging may be by vote or by a panel of judges.
The first tattoo convention in London, England took place in 2005.