plurality of apertures 24 fig4 the brackets 16 are attached to the back side of the metal plate 14 by any suitable means such as by welding or the like the headrest 10 further comprises a second pair of identical longitudinal metal or plastic strips 22 each strip 22 comprising a chair attaching end 32 and an end 34 opposite the chair attaching end 32 carrying a plurality of apertures 25 fig4 the metal strips 22 are joined to the first pair of metal strips 20 by selectively aligning the respective apertures 24 and 25 respectively on the ends 30 and 34 so that a desired height of the headrest 10 is obtained screw and nut arrangements 26 then releasably attach the adjustable strips as can be seen in fig3 the chair attaching end 32 of each of the lower strips 22 comprises a cut out portion forming a hook member 36 and two legs 38 which function in a manner described hereinafter in practical use after the desired height of the headrest is obtained by adjusting the upper and lower strips 20 and 22 in the manner previously described the headrest 10 is attached to a lawn chair 39 as shown in fig1 the joined strips 20 and 22 are inserted through a web 46 near the top of the chair back so that the upper strips 20 rest against the upper tubular frame 42 of the lawn chair 39.