For the uninitiated, the "open-cage" drum-style cable drain cleaning machine - one of the more common options for the non-professional customer aside from lighter weight versions - features a ...
Maybe they make that sale or not—water jetter drain cleaning equipment plays a big role in this situation. Sure the drain is open, but discovering the cause can discover any systemic problems.
Use drain cleaners only if the sink is draining ... turn the crank counterclockwise and pull out the cable. Pro tip: Clean the cable as you pull; it'll probably be covered with incredibly dirty ...