i just got a dvd player/tv for my truck and it was one out put for another screen can i put a y jack on that and add 2 screens or do tey sell any thing so i can add a few screens? i want a flip down and 2 head rest tvs. any body got any ideas?the unit is a jvc kw-avx710 if that helps any.

edit does any one make a flip down that clamps to the rails we have in the 04s? if so does any one have a link to a decent one?