holding device 400 fig1 also shows an example tool 471 that may be used to tighten and or loosen screws 458 holding the brackets 415 and 420 to the central core 404 or screws 470 connecting the first and second hinge pieces 422 and 424 of the brackets 415 and 420 the tool 471 may for example be a security allencap tool however embodiments are not limited to any particular fastening means or tool for adjusting the fastening means fig1 is a bottom view of the holding device 400 of fig1 and 16 holding the mobile device 430 fig1 is a side view of the holding device 400 and the mobile device 430 fig1 also shows tether 409 that may attach to the central core 404 as described above as shown in fig1 the angle and shape of the bracket is such that the claws 495 are positioned on the opposite corners 491 and 492 of the mobile device in this embodiment the angle of the bracket may be varied and or the second bracket piece may be pivoted to fit other shaped articles for example the angle size and or distance of lateral adjustment provided by the brackets may vary in other embodiments depending on the size and shape of the article to be held and displayed the procedure for attaching the holding device 400 to the mobile device 430 may be similar to the example procedures described above for the devices 3 and 300 shown in fig1 a to 11 for example the brackets 415 and 420 may first be attached to the central core 404 by means of screws 458 the screws 470.