The Bionic Arms are an ultra-rare pet accessory in Adopt Me! that was released on April 28, 2022, as part of the Accessory Chest update. It can be obtained through purchasing and unboxing the Regal Chest for 300, or the Standard Chest for 105; players have an 8.5% and 2% of getting it from these gifts, respectively. The Bionic Arms can also be obtained through trading.
The Bionic Arms feature two round white hands with three small fingers on each of them. On the center of each hand, there is a paw print. These two hands hover above a curved white band. This pet accessory goes on a pet's back.