Yadudduka masu kyalkyali su ne yadudduka waɗanda ke da tasirin kyalkyali wanda ke fitowa daga nuna tasirin launi biyu zuwa bayyanar launin bakan gizo. Yawanci ana yin su da wayoyi na ƙarfe, fiber optics, ko makamantansu waɗanda ke nuna haske baya, suna haifar da tasiri na musamman.
Tufafi na ƙarfe: Anyi ta hanyar saka zaren ƙarfe (kamar azurfa, jan ƙarfe, zinare, da sauransu) cikin zane. Lokacin da aka fallasa zuwa haske, wannan masana'anta tana nuna haske na ƙarfe.
Fiber Optic Cloth: Ana samun wannan ta hanyar saka zaren gani a cikin zane. An siffanta shi da kasancewa mai sauƙi da kuma samar da tasirin walƙiya mai kaifi, yana mai da shi manufa don amfani da shi wajen samar da kayayyaki kamar manyan tufafi da jakunkuna.
Gabaɗaya, yadudduka masu ƙyalƙyali sun zama sabon masoyi na masana'antar kayan kwalliya saboda tasirin su na musamman da kuma aikace-aikace masu yawa (kamar suttura, kayan ado na mataki, da sauransu).