Original: As the name suggests, there is no cox on such a boat, and the two rowers must co-ordinate steering and the proper timing of oar strokes between themselves or by means of a steering installation which is operated by a foot from one of the rowers.
Simplified: As the name suggests, there is no cox on such a boat, and the two rowers must co-ordinate steering and the proper timing of oar strokes between themselves.