Ama-couplings ensimbi engagqwalile esezingeni lokudla ayabaluleka ezinhlelweni zemapayipi okudla, iziphuzo, nemithi.

Ama-couplings ahlanzekile asezingeni lokudla manje ayimikhiqizo eshisayo embonini yokuxhuma uketshezi. Yenziwe ngensimbi engagqwalile esezingeni eliphezulu, ihlangabezana nezidingo zokuphepha kokudla, ayinayo imfucumfucu, kulula ukuyihlanza futhi ingasetshenziswa futhi. Isetshenziswa kabanzi ekucubunguleni ukudla, ukukhiqiza iziphuzo, imboni yobisi nemithi yokuxhuma amapayipi. Sihlinzeka ngochungechunge oluphelele lwama-couplings ahlanzekile anekhwalithi ezinzile nesixhumi esijwayelekile kumakhasimende embonini yomhlaba wonke.