I heard you talking about this but was unable to call in. I used to deliver material to dairy farms all over & I have seen these before. The cow walks up to it and when she moves it the brush will automatically turn on & the cow moves around the brush, it's pretty cool.
thought you'd like to see a video of this baby in action!
I'm at LexiDog on 6100 SW Macadam Ave. Portland, OR 97239 (503-327-8219). I romp and play all day with the other dogs in doggy daycare so I might be a great fit with your canine family members. Well hello there! Allow me to introduce myself, I'm...