'70 dart seat belts

ok, over 2 months and no replys ?? ...... figured this site would have more help than this ! ... been on FABO for a few years and never waited more than a day or so for some help.... come on guys, im not asking for that much !!! ... i have the seat belts installed, what keeps the buckle secure for the shoulder strap when it is put up in the headliner ?? -thanks, Erik .............. also posted this in another group ..