A feeder gag is BDSM gear that is worn over the mouth. It is a mouth gag that is used to facilitate force-feeding, which is also referred to as gavage. A feeder gag forces the ingestion of food through a feeding tube that passes through the mouth. It is one of the lesser popular types of mouth gags.
More About Feeder Gag
The improper use of a feeder gag doesn't only cause discomfort. It can cause choking, at the very least. Solid substances are forced down a person's mouth through a feeder gag. This is risky when done too fast. Too much food down one's throat blocks air passages, causing a person to gag. It is important for the dominant party of the act to be conscious of their partner's comfort level.