positioned hinge members 20 and 21 which are arranged to have aligned with it a cooperating hinge member 22 mounted on the inside surface of an l shaped clamp 23 at the intersection of its legs 24 and 25 in the manner shown in fig6 the clamp 23 is held on part 16 of housing 15 by a rod 26 which passes through like openings 27 extending axially through the hinge members 20 21 and 22 and held in a biased position by a pair of u shape springs 28 only one of which is shown in fig6 for clarity purposes each spring is retained in spaced position along rod 26 which passes through its looped ring configuration 29 by slots 30 and 31 in the top 19 of part 16 of housing 15 and the inside surface of leg 25 of clamp 23 as shown in fig6 the inside surface of leg 24 of clamp 23 is provided with a plurality of grooves 32 of different widths extending laterally thereacross one groove 32a of which is wide enough to receive and hold therein the stem of most eyeglasses as shown in fig1 part 16 of housing 15 is also provided with an aperture 33 provided in its side 34 which is axially aligned with an aperture 35 extending through side 36 of part 17 when the parts are fitted one within the other as shown in fig1 and 2 the aligned apertures are positioned adjacent the alarm means 37 mounted in part 16 as shown in fig5 the parts of the housing may be made of suitable lightweight material such as plastic and house the alert alarm device 10 this device comprises the alarm means 37 which is provided with an audible.