A ring gag is a type of gag that holds the mouth open. The gag is typically used on a submissive by a dominant. It has a round ring in the middle that holds the mouth open. The person wearing the ring gag must be never left alone because of the possibility of choking. You should not put food or other things into the mouth of the wearer because of the possibility of choking.
More About Ring Gag
A ring gag allows the mouth to remain open but does not allow the wearer to talk. Typically, the ring is made of a nickel or stainless steel material and covered in leather. The gag is usually adjustable, allowing the mouth to be opened to varying degrees.