Trust Sweet Iron Curb Gag French Link BitWe love this bit because the sweet iron mouthpiece helps encourage proper salivation for your horse. the unique curb gag is good for strong horses that may still be sensitive in the mouth. A curb gag is similar to a gag but has a different effect. The pressure will now not be behind the ears but on the lower jaw chin. The cord runs under the chin and the cheekpieces are attached to the extra ring at the top. This bit is effective for strong, hot