Sdmf, I don't think I've been through enough squeaky saloon doors as you have.
Traxion, I've caught fish on a few of the blanks that I use. The lipless ones are as good or better than a rippin rap. The shad baits move pretty damn well but need some tuning. The reef runner look alikes move just like a reef runner. Many of the other blanks just don't move well. I don't buy them anymore and am headed more in the direction of doing repaints. There's many discontinued colors that I've done for people or colors that aren't produced by certain companies that people like or have good luck with.
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As far as sources, one blank comes from China. The rest are from US retailers but are probably made in China. The bottom line is always cost. If I spend 4$ for a good blank, why not buy the actual crank, repaint it, and then reinstall the hardware. Prep and paint is the hardest part but putting hooks on blanks can beat up a wallet.