Taht is one way to train....taking it outside is a good idea and when the dog does as required use lots of praise and treats......

Here is a link I found
http://www.antlerdogs.com/sitesectio...ookieSupport=1

Antler dog is what I googled as I know some use dogs in the NASHA - North American Shed Hunters Club.
http://www.shedantlers.org/NewsNotes.htm


or another

http://www.theamericanoutdoorsman.co...game&Itemid=97