Hi from Todd and Christine Savolis in Pittsfield, MA. We wanted to write and tell you that Jazz (our 1 and 1/2 year old female Chow/Shepard mix) has been on the system since August of 2003 and we can't imagine NOT having it. We had some issues when we 1st got Jazz with running away (and jumping out of windows!) which can be dangerous in the busy neighborhood we live in. She had run away with her previous owner, who gave her up to the Humane Society at 8 months old. We fell in love with her instantly. We wanted to give her the freedom to run, but to keep her safe at the same time. We tried various tie outs - all of which she eventually broke from. When she was tied out, we felt guilty because she was obviously unhappy. She was more agitated and barked more than usual. With Dog Guard, she is a much happier dog and has the freedom she deserves - she loves knowing this is her "territory". Everyone that walks by is amazed at how well she has done with it. She has calmed down also. I never dreamed that a system like this would work, but I am so glad we found it! Thank you, please share this with your other customers. Gratefully, Todd and Christine Savolis AND JAZZ :)