Loose Ring snaffles are the most common types of bit. They provide direct pressure without leverage. When the reins are pulled the riders aids are directed onto the tongue and its edges. Loose ring snaffles are available in highly diverse shaped and materials. The best known types are single and double jointed versions.
Aurigan is a copper alloy made of 85% copper, 4% silicon, and 11% zinc. It is patented, and is used on high quality bits for horses to encourage increased salivation, which leads to a softer and more responsive mouth on the horse.