My dry neck lube brush kit is an old Bonanza, about a 1980 vintage, it is just part of any expanding or sizing process I do. I am always telling people to use it for any die that uses the existing expander button, expander mandrels, neck sizing, use on the neck when FLS'ing, the difference is like night and day, no fuss, no muss, won't hurt powder. I don't tumble after sizing, I can have the rounds done and in the box by the time people finish tumbling them, even by wiping them by hand. I prefer the brushes to the Redding style with the balls, it works, but didn't really seem as good as the brush setup. Q-tip applying liquid neck lube is a counterproductive effort in my mind, the brush dry lube is a one handed process, lube the case, dip it, stick it in the press.