Maybe a lot the people who own Bull/Whip couldn't make their point and argue their side as they were out working their dogs
I've got 2 first X's here, Dam - Bull X Sire - 3/4 X 1/4 Grey and they work all right for me. Quick take off, quick on the turn, not too big and game to. As for not having the ' Sustenance ' to take bigger quarry i don't quite get it ? My dog is weighing in around 48lb and about 21 / 22"tts, so your telling me that him hitting you at around 30mph with a mouth with the strength of the bull isn't good enough ? Each to their own i suppose and that's what makes us all d