Gibraltar SC-JPM Jaw Percussion Mount Jaw Percussion Mount The chromed-steel 3/8" Gibraltar Jaw Percussion Mount rod attaches to conga or drum for mounting small percussion Rubber-covered clamp secures onto rim of drum with heavy-duty butterfly nuts The chromed-steel 3/8" Gibraltar Jaw Percussion Mount rod attaches to conga or drum for mounting small percussion Rubber-covered clamp secures onto rim of drum with heavy-duty butterfly nuts