Fang Sharpener Feat 1
Source Pathfinder Lost Omens: Character Guide
Prerequisites irongut goblin or razortooth goblin heritage
You have filed your teeth into jagged points and have an unusually powerful jaw, making your mouth a dangerous weapon. If you're an irongut goblin, you gain a jaws unarmed attack that deals 1d4 piercing damage, and if you're a razortooth goblin, your jaws unarmed attack deals 1d8 piercing damage and loses the finesse trait. Whenever you score a critical hit with your jaws unarmed attack, your target takes 1 Persistent Bleed Damage per weapon damage die.
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.
GoblinA creature with this trait can come from multiple tribes of creatures, including goblins, hobgoblins, and bugbears. Goblins tend to have darkvision. An ability with this trait can be used or chosen only by goblins. A weapon with this trait is created and used by goblins.