Sticks may be fine, as long as you don't use it to play fetch with your dog later: http://www.google.com/patents?id=hhYJAAAAEBAJ&zoom=4&pg=PA2#v=onepage&q&f=fal

Sticks may be fine, as long as you don't use it to play fetch with your dog later: http://www.google.com/patents?id=hhYJAAAAEBAJ&zoom=4&pg=PA2#v=onepage&q&f=false http://www.google.com/patents?id=hhYJAAAAEBAJ&zoom=4&#38...