A natural phenomenon that occurs by virtue of the way in which the cards are collected at the end of each hands. "Clumps" of high-value and low-value cards tend to stay together, even after the cards have been shuffled. The practice of observing these clumps is "clump reading."
In Maya Fur, the placement of fur into a series of compact masses ( clumps). You can control clumping attributes such as the degree to which hairs are pulled in towards a clump's center, the frequency of clumps, and the spacing of clumps.