of fig1 of the drawing a pick up truck 10 is shown having a bed 11 and apparatus 12 in accordance with the invention installed at the rear of the bed 11 it is to be understood that the conventional tail gate of truck 10 has been removed and the apparatus 12 installed in its place apparatus 12 is mounted to the side panels 14 right 15 left see also fig3 without need for removal of bumper 13 as will be discussed thus apparatus 12 is shown in fig2 and is comprised of a pair of side housings 16 17 each housing 16 17 being comprised of a pair of spaced apparatus panels 18 19 on the right hand side and 18 39 19 39 on the left hand side interconnected at the top by top panels 20 and 20 39 and open at the front bottom and rear thereof 17 is seen to be a mirror image of 16 as seen in fig3 a universal mounting bracket 21 is mounted in any suitable manner to the interior bracing of each of the truck bed 39 s outer side panels 14 15 thus each such side panel has a universal bracket 21 mounted thereto with a lockable nut 22 movable in a channel 23 of bracket 21 these brackets 21 can be installed where desired on the truck panels 14 15 and suitable bolts not visible thread through apertures in the side panels 14 15 of course more than one such bracket 21 and related bolts and apertures may be provided referring again to fig2 spools 25 26 are journaled for rotation in the.