This is another relic of the Black Sun Project era. Though the colors aren’t appropriate, I called this the Red Hand/Black Hand method. It keyed powers to each finger of the right and left hand, the positive finger of onehand pairing with a method of harm on the oppositional finger.
- Thumb: Inspiration, Suicide.
- Forefinger: Wisdom, Contagion.
- Middle: Prowess, Violence.
- Ringfinger: Fitness, Wasting.
- Pinkie: Skill, Accident.
At least as far as I can reconstruct.