The rolling hitch is a knot used to attach a rope to a pole or another rope. A rolling hitch is a friction hitch that is used for lengthwise pull along an object instead of at right angles but for only one direction. That direction is to your right for the examples below and not at right angles.
Pictorals On How To Tie A Rolling Hitch
Images By David J. Fred [CC BY-SA 2.5], via Wikimedia Commons