"Pet Convincer 2" - Dog training tool is based on intensive research, an acoustic sound effect and Russian Academic Pavlov's animal behavior concept. - One Convincing Air Blast and Bad Behavior is in the Past! - One Pet Convincer Package Includes 1 Convincer Tool & 2 Co2 Cartridge - Made in USA by Canine Innovations. pet convincer stop unwanted behavior dog trainer Dog training tool is based on intensive research, an acoustic sound effect and Russian Academic Pavlov's animal behavior concept Made in USA by Canine Innovations.