One or two inches of self stick velcro, the soft side, on the rattling contacts. Ours went on the shade rail where it would hit the window frame.
Jan and Rocky
Volunteers USFWS. 8500 hrs each, 28 refuges. 04 Allegro 30DA, WH 8.1, Banks, 2012 Jeep Liberty , Brake Buddy Adv Select, 300watts Solar,
"Philippians 4:11-13 KJV"