DSC02881.JPG DSC02219.JPG DSC02414.JPG DSC02988.JPGIn response to your inquiry about the best type for over-active yorkies. I would suggest the step-in. They put less stress on the neck/throat area, even for the hard to handle tug-a-war games they play. I've been designing step-in for years and find these are the best for safety and practicality. Also, if you are looking for something to keep the hair from matting I would suggest smooth satin as the hair "slides" over the satin with nothing to catch the hair on. Here's some examples of what I would suggest you look for: