The most common symbolic use of the skull is as a representation of death, mortality, and the unachievable nature of immortality. Humans can often recognize the buried fragments of an only partially revealed cranium even when other bones may look like shards of stone.
Natural wood mala is a powerful meditation tool, bringing positive forces of self-realization & contentment to its user. It has vast energy power that arouses the brain. It can be used externally and internally. The use of this mala relaxes the brain.