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Unless I'm much mistaken, such films work by total internal reflection, and the backing is not a series of hemispheres (as stated in the article), but a series of cones, with a 90-degree angle at the top. —Preceding unsigned comment added by 87.194.171.29 ( talk) 01:44, 27 October 2008 (UTC) reply

Do you have a source? Girolamo Savonarola ( talk) 02:12, 27 October 2008 (UTC) reply

Scotchlite redirects here. Therefore the article should at least mention what "Scotchlite" is, and establish its relation to the term "Retroreflective sheeting". -- BjKa ( talk) 09:17, 10 June 2015 (UTC) reply