Hello and thanks for coming to my dads store, he built the store, he picks out the goods and he uses everything that is in the store either on our own dogs or his clients dogs, so he will not sell anything that he feel does not work...you will not see alot of items in his store that you see in other stores, the reason being is that those items do not work or he feels that are not good for any of his clients dogs. He also does the shipping of your order so if you have any questions you can contact my dad and he will get back to you asap if he is not with a clients dog or spending time with me or my sisters. Keep in mind that my dad has 6 daughters and it very expensive to keep us with food and clothes..did i tell you that he does not let us turn the heat above 60 in the winter...how many sweaters can a 2 year old wear at one time...so buy lots of stuff so i can get some heat on in my room. <> Bark On! Clover Gellman Solid K9 Training