sanctus gongs en

Bells used in Christian services to mark the most important parts of the service, the eucharistic celebration. Sanctus gongs are located on or near the altar; they have a louder, deeper tone than altar bells, and are often struck with a mallet from the outside rather than with a clapper on the inside of the bell. In modern services, the altar bells are often used universally for all alerts during the Mass rather than using different bells for different purposes.