Oh that is cool. Do you have a link to the information? One of my GSD's got in a little pin with some sheep and she went crazy. She loved it but she tried to nip the sheep. My other GSD hasn't tried it yet and I think he would be amazing at it.
Rusti EAC, TN-N, TG-O, WV-N, NCC, NJC, CGC, GSD Diva
Jerry Lee AXP, MJP, OAC, TN-N, WV-N, NCC, NJC, SPJ, UAG1