The Controlling Sequence forms the so-called eternal recycling basis of BTB Feng Shui (Living Color, p. 23).

Never mind that the international symbol for recycling moves clockwise.

This sequence was used in ancient China for fate calculations and politics. Its most famous use was the symbolism of succeeding Chinese dynasties.

Rarely used in ecological cycles, because long ago Chinese scientists determined that elements don't perpetually "control" one another. For instance, fire can "control" itself out of existence if it eliminates its fuel source.

Used in medicine with the Generative Sequence to keep self-regulating balance in the body. (Maciocia p. 19)