Muffle kilns were the most common kiln. Then cupellation, crucibles, scorifiers and muffle furnaces are described. Lizzie covers Judith's mouth to muffle her cries. Drummers muffle their drums using special drumheads. Some drummers muffle the sound of a drum by putting a cloth over the drumhead. The drapery helped to muffle sound and lower light levels. During his preliminaries, Rodeheaver often instructed audiences about how to muffle their coughs. When people come to the door, they muffle her screams and Grace covers for them. The gun had been fired through a quilted blanket, apparently to muffle the sound. Finally, she can mentally muffle the sound of the detonation. Like the muffle wall, the cavity wall protected the greenware from burning. The reverse phasing simply blanked out the audio tracks to a distorted muffle. Surplus parachutes were hung in the background to muffle echoes. This formed air pockets with the right separation and size to muffle sonar waves. He keeps her in Muffle Mountain.