to be honest im over the moon with it mate..it fast and clever and seems to use its head it works cover with me terriers liek it been doing it for yrs... it early days yet .. seems to use her head alot more than teh buddy x sonai litter i bred..my buddy sonia dog very tight but kills on will power instead of his head, .but i think buddy sonia dog wil make it next year it be nice to see if he can compete with the good uns and it been a long time since i been able to say that lol.. edited to say he wont be hiding ive been saving me paper round money up lol..