Here are some bite work videos with various breeds of dog. You can compare how it looks like when a short- or a long-coated Mollosser bites the helper.
[реклама вместо картинки] [реклама вместо картинки]
Generally, Volkodavs are more flexible and faster. When defense, I would prefer a Caucasian or a Central Asian Ovtcharka to all the other breeds of dog.
Download link is http://rapidshare.com/files/73908478/bite_work.zip.html and password hkifs5f6d.
Please visit http://www.volkodav-eagle.kiev.ua/ , since the best bite work video with Volkodavs originates from there.
I have posted this in both forums - Volkodavs and other breeds of dog.