You were taught a style of martial arts that relies on the natural weapons from your racial ability or class feature.
Choose one of your natural weapons. While using the selected natural weapon, you can apply the effects of feats that have Improved Unarmed Strike as a prerequisite.
If you are a monk, you can use the selected natural weapon with your flurry of blows class feature.
The text on this page is Open Game Content, and is licensed for public use under the terms of the Open Game License v1.0a.
Sources:
SECTION 15