Gawo lowunikira lachovala chonyezimiraamapangidwa ndi ukadaulo wapamwamba kwambiri wowunikira komanso kukonzanso pambuyo pogwiritsira ntchito kachipangizo kakang'ono ka diamondi kakang'ono kuti apange refraction ndi high refractive index glass bead retro-reflective mfundo.Imatha kuwonetsa kuwala kwakutali komwe kumabwereranso pamalo owala, ndipo imakhala ndi mawonekedwe abwino a retroreflective optical ngakhale masana kapena usiku.Makamaka usiku, imatha kuwonetsa mawonekedwe apamwamba kwambiri ngati masana.Zovala zachitetezo zopangidwa ndi zinthu zowunikira kwambiri izi zitha kuwonedwa mosavuta ndi madalaivala ausiku mosasamala kanthu kuti wovalayo ali kutali kapena kusokonezedwa ndi kuwala kapena kuwala kobalalika.