The clay triangle is used to hold a crucible while the crucible is heated. See the Web Links to the left for more information about clay triangles. MORE. A clay triangle, physically, is three sets...
A pipe clay triangle's use is similar to a gauze mat; to steady/hold apparatus on a tripod while usually they are being heated by a Bunsen burner.
its kinda cuz a kind of clay dries into a glass type thing, so it works for a pot