An inexpensive device is provided for quickly and efficiently securing protective panels such as, for example, plywood and the like, to exterior surfaces of buildings to protect windows, doors and/or other vulnerable features from wind and flying debris. The device comprises a stationary base, and a clamping member attached to such base. At least one device of the present invention is mounted to a building in general proximity to a window, door or other feature to be covered with a protective panel; the clamping member(s) secure the protective panels in place against the building. When not in use, the present invention can be maintained in a stowed position.