at the bottom of the cuff is the mystery object ... I saw some speculation it was a microphone so that the handlers could hear the debate; I dismissed that thought because they’d presumably have access to the audio/visual - but that wasn’t guaranteed. In this pic one can distinguish the rosary but that is distinctly different than the electrodes appearing in other photographs. And none of this explains the wire.
The 14:00 minute mark
https://m.youtube.com/watch?v=PrpprL0dv9c