Amazing. I have trained my SBT by voice and reward commands, but she is becoming a little lazy. This could be the thing to pep her up, and teach some more commands. She is 18 months old.
Are the eBay clickers ok to buy? I saw one here
http://cgi.ebay.com.au/Triple-crown-clicke...1QQcmdZViewItem
And this one (15 avail!! $5.20 all up)
http://cgi.ebay.com.au/Clicker-for-trainin...VQQcmdZViewItem