The Things We Do for Our A Bodies

Dying the seat belts, keeping the retractors out of the dye so it's not to damage the mechanism.

Can you post a photo of the results? I've tried using black RIT dye before but with only so-so results. You'd think black dye would turn things black, but they ocnsistently turned out some kind of blueish-greyish color, not a deep dark black.