3 ms·

One could also use white tape as well...

• et2o 9y ago
  They address this in the article, pointing out that white tape would look different under headlights from the reflective background paint.
  • IshKebab 9y ago
    I'm pretty sure you can get retroreflective white tape. Extra effort though.
    • deleted 9y ago
      [deleted]
    • faceplanted 9y ago
      I believe "extra effort though" is entirely the point.