1. A THROW RUG MOUNTING ON A DOOR, SAID DOOR BEING HINGED FOR INWARD SWINGING MOVEMENT IN A DOORWAY, A THRESHOLD IN THE DOORWAY, A MAT, ONE END OF SAID MAT BEING SECURED TO THE THRESHOLD, AN ARM, MEANS PIVOTALLY MOUNTING THE ARM ON THE INSIDE OF THE DOOR ADJACENT THE HINGE SIDE AND PROXIMATE THE LOWER MARGIN THEREOF FOR VERTICAL SWINGING MOVEMENT PARALLEL TO THE PLANE OF THE DOOR, SPRING MEANS URGING SAID ARM TO A RAISED POSITION ABOVE THE FLOOR LEVEL, AND MEANS SECURING THE OPPOSITE END OF THE MAT TO THE ARM WHEREBY THE MAT IS HELD IN A RAISED RETRACTED POSITION PARALLEL TO THE DOOR WHEN THE DOOR IS CLOSED AND IS EXTENDED ALONG THE FLOOR IN FRONT OF THE DOOR AS THE DOOR IS OPENED INWARDLY.