It's a power ring that makes green stuff. alternate use punch people in the face for a nice lantern mark on their tender pink cheeks
- Measure finger
- resize fingerhole in the ring (maybe whole ring?)
- Take the oath:
- In brightest day, in blackest night,
- No evil shall escape my sight
- Let those who worship evil's might,
- Beware my power... Green Lantern's light!
- put on finger
- fight evil