Aosite, daga baya 1993
1. Za a iya amfani da ƙugiya guda biyu don ƙofofi na gaba ɗaya, kuma ana iya shigar da ƙugiya uku don ƙofofi masu nauyi, irin su tsaka-tsakin tsakiya da na sama, waɗanda aka shigar a cikin salon Jamus. A amfani ne quite barga, da kuma danniya a kan kofa frame ne in mun gwada da kyau, amma ba musamman dole. Muddin an zaɓi madaidaicin madaidaicin hanyar da ke sama, damuwa ya isa, kuma idan ƙofa tana da nauyi musamman, kawai shigar da ƙarin hinge kai tsaye.
2. Sauran shigarwa shine m matsakaicin shigarwa. Ana ba da shawarar yin amfani da matsakaita na shigarwa hinge a cikin shigarwa na Amurka, wanda ya fi kyau kuma ƙasa da "mai amfani". Idan kofa ta ɗan lalace, ƙayyadadden aikin hinge shima zai taka rawa sosai.
Matakan shigarwa na bakin karfe na bakin karfe:
1, gwargwadon girman ganyen ƙofar, ƙayyade adadin hinges ɗin da za a saka a kowace kofa, kuma zana layi akan ganyen ƙofar.
2, bisa ga lamba da girman ginshiƙan shigarwa na ganyen kofa, zana layi a daidai matsayi na firam ɗin ƙofar.
3. Rage ganyen ƙofar, zurfin wanda aka ƙaddara bisa ga kauri na hinge da rata tsakanin ɓangarorin hinge biyu, kuma zurfin gaba ɗaya shine digiri ɗaya shafi.