Quote Originally Posted by deermagnet View Post
I've been using the Euro Jr. cup holder for many years and still love it. They have 'em at Pep Boys and Walmart. It's adjustable and lockable. I drilled a hole and used a bolt with a double nut, so it stays tight in place.

An old film photo from my archives-


Mark
Mark- Did you have to file/dremel down your Euro Jr. on the one edge to get it to fit in the square hole?