We did upper right. Leave a border all the way around for adhesive. At that location, carefully cut a hole in the backing the same size as your device CAREFULLY glue the backing to the mirror. We used ...
The claims. Tyre Grip creates a "better grip on snow, ice, and slush" by providing "an adhesive surface that grips the roads." You spray it on tires, and it's supposed to work for up to 50 miles ...