Oh my, another discovery on Internet Movie Database:
http://www.imdb.com/title/tt0467533/
Title: Bound Belly Dancer
Year Released: 1997
Plot synopsis:
Daphne, a beautiful belly dancer, spends the entire film tied up while wearing sexy belly dancer garb. In keeping with her role, Daphne wears a veil through most of the film, but underneath the veil there's always a sound silencing gag.