"Then there were other symbols that had meanings associated with protection for example the buffalo eye. This particular symbol signified alertness and keeping a watch out for danger. The arrowhead was used to symbolize the same thing." -- http://globerove.com/usa/native-american-protection-symbols/2263
- http://ezinearticles.com/?The-Symbolic-Meaning-Of-Arrowhead-Pendants-For-Men&id=5986352