Floor mop with removable base plate

A mop comprising:

• a base plate having a generally flat lower surface configured to face a surface to be cleaned, and an upper surface opposite the lower surface;
• a top plate;
• a handle having a proximal end, a distal end opposite the proximal end, and a handle axis extending from the proximal end to the distal end;
• a joint connecting the proximal end of the handle to the top plate;
• a grip located at the distal end of the handle;
• and
• a lock assembly configured to selectively connect the top plate to the upper surface of the base plate, the locking assembly comprising:
• one or more slots on one of the base plate and the top plate, and
• one or more projections on the other of the base plate and the top plate, the one or more projections being movable between an engaged position in which the one or more projections are in the one or more slots, and a disengaged position in which the one or more projections are not in the one or more slots.