i think it would be great to have a dog trained to hand signals, im going to start doing it with my bitch, i would say shes fully trained now and doing everything right. friend of mine had his dog trained to hand signals and it was great to watch and came in handy sometimes when they were qaurry heading there way and the dog was far out and didnt want to start shouting. use to do a little whistle then do his hand signal for down. he could get his dog sitting down when it was about 200yards away just with a movement of his hand. seen some qaurry heading right in to his dogs path by doing that a