Tengu Weapon Familiarity Feat 1
Source Pathfinder Advanced Player's Guide
You've trained with a blade and other tengu weapons ever since you hatched. You gain access to Khakkaras.
Additionally, choose two weapons from the sword group. You can choose from among all common martial swords, plus the Katana, Temple Sword, and Wakizashi. For the purpose of determining your proficiency, that weapon is a simple weapon, and if the weapon isn't common, you gain access to it. If you are trained in all martial weapons, you add common advanced swords to the swords you can choose from.
You also gain access to all uncommon tengu weapons. For the purpose of determining your proficiency, martial tengu weapons are simple weapons, and advanced tengu weapons are martial weapons.
Traits
Anything that doesn't list another rarity trait (uncommon, rare, or unique) automatically has the common trait. This rarity indicates that an ability, item, or spell is available to all players who meet the prerequisites for it. A creature of this rarity is generally known and can be summoned with the appropriate summon spell.
TenguA creature with this trait is a member of the tengu ancestry. Tengus are humanoids who resemble birds. An ability with this trait can be used or selected only by tengus. An item with this trait is created and used by tengus.