Dog Whistle and Lanyard for Easy Dog Training to Stop Barking. Best Natural Dog Obedience and Behavior Teaching - Bonus How to Train Your Dog Tips Ebook Including How to Sit, Stay, and Lay Down. Dog Whistle to Stop Barking Includes Bonus Free Dog Training E-Book with Obedience and Training Tips which is emailed to you within 24 hours after your purchase Also Includes a Free Red Lanyard to conveniently carry your whistle on Great for Dog Behavior Training Our Company stands by a 100% Happiness Guarantee, If you aren't Happy with your purchase please let us know