Patent ID: 6901697

Claim:
In a lightweight, compactly foldable, protective winter turf cover having: (a) at least one layered polyethylene sheet being substantially water impermeable; (b) the layered polyethylene sheet having at least a first layer and a second layer; (c) the first layer and the second layer each having a directional orientation determined by force striations; (d) the directional orientation of the first layer being at an angle relative to the directional orientation of the second layer; (e) the turf cover being durable; (f) the first layer having a first edge; (g) the second layer having a second edge; (h) the force striations being at an acute angle to the first edge; (i) the force striations being at an acute angle to the second edge; (j) the acute angle of the first edge being at a relative angle to the acute angle of the second edge; (k) the acute angle to the first edge and the acute angle to the second edge being 20 to about 70 degrees; and (l) the relative angle between the first layer and second layer being about sixty degrees to about 120 degrees; the improvement comprising a hold down mechanism cooperating with the winter turf cover, and having washer placed with the winter turf cover between a ground surface and the washer, the washer having two apertures adapted to receive a nail in each of the two apertures, with the nail being received in each of the two apertures so that nails cross underground in order to complete the hold down mechanism.