a mop with an attached wringer cup has a set of perforations near the outwardly tapering lower end of the wringer cup . the wringer cup includes a rib . along a side portion of the rib a plurality of perforations may be provided . in an embodiment the perforations may increase in size toward the end of the wringer cup . a connector may be provided to secure the mop head to the handle . in an embodiment the connector may accept a collar without requiring the collar to have a particular rotation orientation .