They also come in a variety of shapes and sizes ... Most hanging bells have a little metal clapper in the center of each bell that gives off a dainty ringing sound, which only adds to the sweet ...

Later, a bell - shaped utensil made out of fine gray pottery ... On both sides of the shoulder are holes for fixing the clapper. Most of the pottery ling dating back to the period of the Longshan ...

Muff’s company is exploring solutions, including a specially designed clapper (the metal shaft that swings back and forth inside to strike a bell and makes it ring) that produces quieter tones.