Macavity Macavity Macavity is a fictional character who is described in a poem in "Old Possum's Book of Practical Cats", by T. S. Eliot. He also appears in "Cats", the Andrew Lloyd Webber musical. The name "Macavity" is a pun by T. S. Eliot, on the names of several characters from other works of literature : "Macheath," a supervillain who appears both in John Gay's "The Beggar's Opera", its sequel "Polly" and roughly 200 years later as Mack the Knife in "The Threepenny Opera" written by Bertolt Brecht and Kurt Weill in 1928, "macuahuitl", the Aztec obsidian sword, and "Moriarty", the
Possum belly Possum belly A Possum belly, on a drilling rig, is a metal container at the head of the shale shaker that receives the flow of drilling fluid and is directly connected to and at the end of the flow line. A possum belly may also be referred to as a distribution box or flowline trap. The purpose of the possum belly is to slow the flow of the drilling fluid (after it has gained momentum from coming down through the flow line) so that it does not shoot off of the shale shakers. Possum bellies are generally used when bentonite