There is a kind of brush for removing this. Its red in colour, you sometimes
can see it in the women street.
In fact, the best way to prevent this is to turn the black clothes inside out
before washing.
2008-05-15 23:09:44 補充:
please take a look.
http://appledaily.atnext.com/template/apple_sub/art_main.cfm?iss_id=20080515&sec_id=38165&subsec_id=11016841&art_id=11109271