content: It is not an auto-injector, it is a laser or flashlight.  See it used for Hillary here:  https://www.youtube.com/watch?v=f--sakIve2Q See why it is used here:  http://www.apdaparkinson.org/freezing-in-parkinsons-disease/  shine the laser in front of your foot and step on the light – this cue can help you re-start.  I shared a link to a video about her health here:  https://www.voat.co/v/politics/comments/1269413