Waɗannan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan tukwici ne don haka ƙafafu suna tafiya kai tsaye ba tare da tsaga itace ba kuma an ƙera su tare da kawukan da aka ƙera don kare jaket na kebul.Kusan babu mai don tsabtace tsabta kuma an ƙera shi ga ɗan kwangila ya fi son tsayi.An ƙera don a tura shi cikin itace da guduma.
Tsawon kusoshi da aka zaɓa ya kamata ya zama 2.5 zuwa sau 3 na kauri na aikin da za a ƙusa.Don ƙara ƙarfin haɗin gwiwa, yakamata a sami ANGLE lokacin ƙusa, ƙirƙirar nau'in ƙusa na ƙusa, yana haifar da tasirin ƙugiya.Kullin ƙusa na itace, yakamata a fara gani don zuwa ƙarshen ƙarshen, don rage tsagewar itace, ƙusa mai ƙarfi, yakamata a huda rami na ƙusa na farko, buɗewar ya zama ƙasa da diamita na ƙusa.Aƙalla daidaitattun ƙusoshi biyu za a dunƙule su cikin kowane saman haɗin gwiwa don tabbatar da cewa haɗin gwiwa yana da ƙarfi.
