You'll find a great solution to this elsewhere on the Forums. In short, simply mount some high power magnets on an aluminum "L" strip that's placed at the bottom of the window frame -- same height as your non-functional clips. The magnets work extremely well. I did this to all my windows after removing the (to me) undesirable Ocean Air shades and replacing them with 1/2 " aluminum mini-blinds.
"SilverLeaf II" 2015 30' Classic
2014 RAM 2500 Laramie 4x4 CC w/6.7L Cummins
WBCCI # 3430-Unit 21