Retraction technology is disclosed for covers of recreational vehicles. In one example, a retraction system comprises a cord extending across a cover between front and back panels with a front end couplable to the front panel, and a rear free end disposed at the back panel of the cover. In another example, an intermediate guide is disposed at an intermediate point of the cover and configured to be located over an accessory of the RV, with the cord passing through the intermediate guide. In another example, a cover attachment attaches the cord to the cover with a one or more loops. A portion of the cover is inserted the one or more loops and constrained or cinched therein.