In 1983, Monya Scully invented a “sound muffling cup into which an enraged person can shout to release tension while avoiding disturbing other persons.”

We don’t know much about Scully, but the patent abstract seems to tell a story: “It is a fact of life that many people in a state of anger shout, often at children, a spouse, a dog, etc. with the motivation being not to communicate, but rather mere anger. … The use of the cup may result in avoidance of embarrassment as is experienced by many after having disturbed others by shouting in a fit of anger.”