known from previous embodiments is mountable on the upper edge of a car seat clearly seen in this view is also the access door 128 hingedly articulated to the lower edge of the headrest body 126 and shown in the closed position the door panel is reinforced by means of two ribs 130 each of the lateral faces of the body 126 is provided with a raised portion 132 132 39 partially hollowed out for a purpose to become apparent further below and covered with a removable cover 134 134 39 at the lower end of the raised portion 132 39 there is seen an opening 136 39 through which slightly protrudes the mouthpiece 46 39 of the dispensing valve 44 39 a similar opening 163 is provided for the dispensing valve 44 and mouthpiece 46 on the opposite side not visible in this view of the other raised portion 132 in a manner to be explained further below the dispensing valves 44 44 39 and mouthpieces 46 46 39 connected to the liquid containers 138 fig1 inside the headrest body 126 via pieces of coiled tubing 140 140 39 fig1 can be conveniently pulled out for drinking thus the valve 44 39 and mouthpiece 46 39 facing the passenger compartment are designed for use by the passengers while.