Nail Difference
Your nails have a shape (30%) or color (70%) not typical for your ancestry. Shape differences can include thickness, irregular thickness, clubbing, or spooning. If you have claws as natural weapons, the damage they cause is reduced by (IE). If discolored, while most commonly yellow or black, your nails can be any color. This gives a −(IE) penalty on all Dexterity (Sleight of Hand) checks.
Real-world Examples
Beau’s Lines, Clubbing, Koilonychia, Leukonychia, Mees’ Lines, Onycholysis, Terry’s Nails, Yellow Nail Syndrome
Assistive Options
You can paint your nails or wear gloves to cover your irregularities as long as you’re in an environment where that’s appropriate.
Magical Assistance
Magic that alters your appearance can also change the appearance of your fingernails.