All For Paws Puppy Behavioral Aid Dog Toy Heartbeat pillow is designed to help your dog cope with everyday stressors. This comforting toy recreates the intimacy that your nervous pup craves in times of stress due to loneliness, fear and separation anxieties. This stuffed animal behavioral aid also features a pulsing heartbeat that works to calm your pup and reduce negative behaviors such as barking and whining. You can switch the heartbeat function on and off as desired.