Create a room and share the code with your opponent.
Set your own current hair length so cuts are appropriate for you.
Earn Dare Points. Unlock the Unthinkable.
Rarity controls how much a modifier costs to add to a cut and how much DP the receiver earns for accepting it.
On Haircut and Dare cards, rarity is cosmetic only — it affects the card stripe colour but has no DP cost.