Li-trim tsa koloi tse kahare ke likarolo tsohle tsa koloi ea hau e khabisang ho feta e sebetsang. Morero oa eona oa mantlha ke ho kenya kahare koloing ho tikolohong e ntle le e futhumetseng. Mehlala ea Trim e kanna ea kenyelletsa lebili la lefats'e la letlalo, mafahla a masela, marulelo a makoloi a marulelo a lerata
Lenane le tloaelehileng pakeng tsa mefuta eohle ea trim ke hore ba susumetsoa ke bo-ratoang. Li sebeletsa morero o sebetsang joalo ka ho lekola koloi ea hau ho senya mocheso. Joalo ka ho boloka matsoho a tukang ka lebili le tsoang ka letsatsi le tsoang ka letsatsi kapa ho thibela marulelo a koloi ho tsoa ho sesupa sa metsi. Leha ho le joalo, batho ba bangata ba li nka e le karolo ea khabisong ea koloi ea hau e etsang hore bokaholimo bo kahare le sejoale-joale.