Abathengi base-US bahlala bebuza ukuba kuyenzeka na ukongeza iiziphu kwicala legusset esongayo ukuze ziphinde zisetyenziswe. Nangona kunjalo, ezinye iindlela kwii-zippers zendabuko zinokuthi zifaneleke ngakumbi. Ndivumele ukuba ndazise iibhegi zethu zekofu ezisecaleni ezinemitya yetoti njengokhetho. Siyaqonda ukuba imarike ineemfuno ezahlukeneyo, yiyo loo nto siye saphuhlisa ukupakishwa kwegusset ecaleni kwiindidi ezahlukeneyo kunye nemathiriyeli. Kubathengi abakhetha ubungakanani obuncinci, kukhululekile ukukhetha ukuba basebenzise i-tin tie. Kwelinye icala, kubathengi abakhangela ipakethe enecala elikhulu legussets, ndincoma kakhulu ukusebenzisa amaqhina e-tin kwiireals njengoko isebenzayo ekugcineni ukutsha kweembotyi zekofu.