Shackle shine na'ura mai daɗaɗɗa da ba makawa a ɗaga ayyukan gini. Ana iya amfani da shackle don haɗa ɗigon ɗagawa da kafaffen majajjawa. Kayan aiki ne mai haske da sassauƙa wanda ake amfani da shi sosai.Shagalaza a iya raba su zuwa ƙuƙumi na baka da ƙuƙumman U-dimbin yawa bisa ga halayen bayyanar su. Bisa ga manufar, akwai: sarƙoƙi na sarƙoƙi, sarƙoƙi na anga, da sarƙoƙi masu iyo.
(1) sarkarzaɓashine wani tsoka da aka yi amfani da shi don haɗa sarkar anga. Lokacin amfani, bolt a kwance ya kamata ya zama sama, kuma bolt ɗin kwance ya kamata ya zama zagaye don hana shi juyawa da haɓaka ƙarfinsa. Lokacin amfani da, da farko cire aron ƙarfe na gyarawa, sanya abin da aka tsara ta cikin sarkar anga a cikin jerin sarkar sarkar da ke sama. Don hana horiontal daga fitowa, akwai rami mai tsawo a kowane ɗayan biyun da kwance a kwance da kuma kunshin U-dimbin yawa don tuki da birki na birki fil. Don hana park obl pin daga fito, yakamata a saka hatimi na kore, ya kamata a saka hatimin kore a cikin kogon a cikin ramin PIN. Kafin oblique pin an saka shi a cikin ramin PIN, ya kamata a shafa man shafawa na tushen alli don hana tsatsa.
(2) angazaɓaShin zargi da aka yi amfani da shi don haɗa sarkar anga da kuma mai zunubi, kuma hanyar amfani daidai ce da sarkar shackle.
(3) Shanƙyama mai iyo shinezaɓaana amfani da shi don haɗa jikin da ke iyo da sarƙar anga, kuma hanyar amfani da shi iri ɗaya ne da sarƙar sarƙoƙi.