Abstract: A clean-out tool for sinks and the like having a J-trap section attachable between the sink tail piece and the waste drain outlet, and an extension member attached to the lowermost portion of the trap and extending upwardly to an open end above the overflow level of the sink into which a plumber's snake may be inserted to clear a clog in the waste line. The extension member may be permanently attached to the trap, or may be slip fitted into a branch member extending outwardly from and positioned co-axially with the lowermost part of the arcuate portion of the trap to permit a single extension member to be used with a variety of different traps.