I have the VDH boar brush that comes with the set (the new, nicer set). I like the brush. I am considering buying a couple more brushes. Again, I like the VDH brush but in looking for more brushes I want one with a tighter bloom (my description for lack of a better term). Meaning the hairs don't flare out so much when lathering. Perhaps this is what people are referring to by "backbone"? Still new to this so any input would be appreciated. Also, any suggestions on such a brush?