A LATERAL HEAD-REST ASSEMBLY (100) ADAPTED TO BE REMOVABLE MOUNTED ONTO THE PAIR OF VERTICALLY EXTENDING PARALLEL SUPPORT RODS (16) OF THE POSTERIOR HEAD-REST (14) OF A VEHICLE SEAT (10). THE LATERAL HEAD-REST ASSEMBLY CONSISTS OF AN ELONGATE SUPPORT BAR (102) TO WHICH A PAIR OF LATERAL HEAD-REST ELEMENTS (104) IS PIVOTALLY ATTACHED ON EITHER SIDE THEREOF. THE HEAD-REST ELEMENTS CAN BE SWIVELED FROM A NON-USE RETRACTED POSITION SUBSTANTIALLY IN REGISTER WITH THE POSTERIOR HEAD-REST (14) TO AN EXTENDED POSITION FORWARD AND BELOW THE POSTERIOR HEAD-REST IN ORDER TO PROVIDE LATERAL SUPPORT TO THE HEAD OF THE OCCUPANT OF VEHICLE SEAT. FIGURE 3
