Reflective Costumes: Making Trick or Treaters Visible After Dark
Dark costumes at dusk are hard for drivers to spot. Research on retroreflective materials and biomotion shows how much visibility a costume can add.
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Costume Masks and Vision: How to See While Trick or Treating
A full-face mask can narrow a child’s field of view right when they are crossing streets at dusk. Here is what the evidence says about seeing and being seen.