For those of you who are not afraid to cut your dash ...
you can use that "plummers" strap, 3/4" wide and holes in it, or...
when you install the "cage" make sure its a VERY snug fit...
then bend all the tabs out, this will hold the cage in BUT NOT THE RADIO...
i learned the hard way and had my deck stolen...
there are threaded holes all over it that screw in thru the cage...
also you see the "arms" on either side of the cage? there are little tools and slide in there and let the radio come out, hence the screws...