The Ruff is an uncommon pet accessory in Adopt Me! that is a part of the Pirate's Costume; a set of five pet accessories which costs 
250 (formerly 300) and can be found and purchased in the Accessory Shop when the gamepass is on rotation. It can also be obtained through trading.
Appearance[]
The Ruff features a two-layered white piece of cloth with ruffled edges. This pet accessory is worn on a pet's chest.
Gallery[]
The Ruff on a Parrot.