Piercing guns have been widely criticized as dangerous among professional body piercers. Often reputable piercers will refuse to do surface piercings, instead preferring sub-dermal implants. Many piercers are not willing to do this piercing. The first members were professional piercers from the Gauntlet and other early piercing studios. The Association of Professional Piercers is the oldest and longest running organization for professional piercing. Many piercers recommend that a curved barbell is worn initially. Most professional piercers and body art enthusiasts believe these risks are over-stated or non existent. Hydrofoils and then catamarans and wave piercers appearing as fast passenger ships. Early piercers often used it as a healing jewelry. There are not any regulations covering the training of Body Piercers. Some professional body piercers reported considerable increases in business following the heavily publicized event. Examples of egg piercers from the 19th century exist. Either method is well beyond the skill level of most piercers, and is not recommended.