That Zipper exercise just has to be a whole lot better on the tech's body. Much less joint involvement. Mark, do you guys notice anything different physically from using the Z?
On lower loop carpets the zipper is a breeze and cleans so well....
BUT...also dries even better than my wand can

....
On longer and thicker loop carpets, it can be more of a work out....but still cleans great....dries great!
We noticed that if we try to run it like a wand and not walk it like in the video above, it will wear you out more.
We just had to retrain ourselves to operate it like the video above and life is good.
We did notice that we were retraining the muscles in our mid back and shoulders that don't get the same type of use I would say. My brothers mentioned that as well when we were talking, but again, we were new to it and hadn't learned how to relax and let the unit do the work.
We are really glad we purchased the units and we do carry them on the vans everyday because they take so little space and the carry tray....that's awesome too!