Big black dicks in the requisite horny white chicks\' section.
A must for fans of older women, and worth stocking extras just for Nina Hartley followers.
Start off with a couple copies, so you can rent one and sell one while you wait to restock.
Plopping this in with their zillion other similar tapes should do the trick.
Specialty section. The box cover, with Andrews looking mouth watering in black PVC and matching phallus, should attract the bitch boyz among your clientele.