Did you ever find yourself aground and wonder how to get off? One method is kedging. Kedging is accomplished by setting an anchor back in the direction “where you were floating” and pulling yourself off with the anchor line. Of course this works best if you wrap the line around a winch and winch yourself off.
Setting the anchor is easy if you have a dingy, however, if none is available and conditions permit (and only as a last resort) a good swimmer wearing a PFD can take the anchor out resting on another PFD or anything that floats. When he/she is out as far as the anchor rode will allow, let go the anchor and bring the float back. Always have the swimmer do this wearing a PFD so they do not get fatigued. For more information, check out this article at BoatSafe.com.