Duke, our Black Lab, was getting out of control barking at everything. With Mark's help, I picked up the Tri-Tronics bark collar and it solved the problem. Thank you so much for the help! Steve L. Rock Hill, SC.

I have two German Shorthairs that we use for Pheasant hunting, and I wanted to get training collars for them. Mark took the time to talk with me about the different options and products. It always helps talking to someone who is an avid outdoors-man. Thanks again, good luck this year. Warren J. Dupree, SD

I have never bought an "electronic collar " before, so I had a few questions about the different models. I talked to Mark and he was able to help me pick out a model that would work great for my Jack Russell, Macy. Macy and I couldn't be Happier. Thanks so much!! Christy H. Fort Worth, TX.