The DOGGIE DON’T® Device is a HAND HELD, AUDIBLE tool that will assist you in correcting unwanted behaviors such as BARKING, JUMPING UP, and LEASH AGGRESSION. The Device is based on proven AUDIBLE, Sound Aversion. The DOGGIE DON’T® Device makes a distinctive CRACKLING SOUND that both you and your dog can hear. The sound gets your dogs attention. Eventually, you should be able to say your commands and not need to use your device. Be consistent to change behaviors. Say your command, use your device properly and reward your dog for good behavior to transform your dog into a well-behaved and socialized pup.