In ShitHead news I went to play the game again on line (called Go-Go-Go) and not only do you have to lay an odd on a 3, you also have to lay an even on a 4. I never knew before and I'm just ignoring that rule in favor of your 7 = lower rule.
Is that the Scottish Rite near Oaklawn in Dallas/Irving? Heck you'll be in my neck of the woods - I'm between Mockingbird and Inwood.