Fitilar gishiri (hasken gishiri) an yi shi ne da tarko da hannu a hannu. An huda tsakiyar, an sanya kwan fitila, kuma an shirya kujerun ƙasa don yin fitilar gishiri. Fitilar gishiri tana haifar da ions mara kyau ta ɗumama kwan fitila a ciki.
Ana iya amfani da tubalin gishiri azaman ƙasa da bangon ɗakin farfajiyar gishiri, wurin fitila da ado na kusurwa. Hakanan za'a iya amfani dashi don fitilar gishiri da fakitin zafi azaman filler.