Seat belt clip

Seemed like every time I went to put my seat belt on, the darn clasp was slid down between the door and the seat unreachable. I searched thingiverse, but the only one I saw needed a tack. No clue where to find a tack here, so it took me a while, but I designed my own. This is for a 50mm wide belt. Worked good in my mercury villager.