Abstract: A golf mat for protecting a grass surface and a method that reduces damage to a grass surface during a tee shot. The golf mat includes a planar body for protecting the grass surface by absorbing and/or deflecting an impact of a golf club head. The planar body includes a plurality of gaps in the planar body for allowing access to the grass, at least one tee opening for receiving a golf tee, and a plurality of ground engagement members connected to the planar body for limiting movement of the golf mat from an impact of the golf club head and maintaining the planar body in contact with the ground surface.

Abstract: A vehicle air drag reduction system is provided for mounting on the rearward facing surface of a vehicle, and in particular a truck trailer, that provides improved efficiency. The system comprises a flexible panel that will assume a cone-shape at the rearward end of the trailer, and which is held in place by a plurality of support rods fitted within the flexible panel, and which attach to brackets mounted on said trailer. An inexpensive and simple air drag reduction system is provided which is easily attached or removed from a vehicle is provided.

Abstract: A vehicle air drag reduction system is provided for mounting on the rearward facing surface of a vehicle, and in particular a truck trailer, that provides improved efficiency. The system comprises a flexible panel that will assume a cone-shape at the rearward end of the trailer, and which is held in place by a plurality of support rods fitted within the flexible panel, and which attach to brackets mounted on said trailer. An inexpensive and simple air drag reduction system is provided which is easily attached or removed from a vehicle is provided.