key holing
n.— «In addition to controlling the construction of docks and other lakeshore structures, “key holing” or “funneling”—a term for places where property owners who don’t live on the lake can gain access to it—will be another issue for the commission.» —“Lake crowding riles residents” by Dorothy Bourdet Detroit News (Mich.) Oct. 19, 2005. (source: Double-Tongued Dictionary)