A very big thank you!  Yes, it does!   I had seen the references in Heretical scripts and had assumed exactly what you said   And yes, in the Heretical test centre, I do get the things to work once, and then they don't work the second time.    In HSH, they seem to be reattached every time that your PC enters the cell in which you left the chained NPCs - at least that's what I understand the intro text and thread content to be saying - so maybe the point at which the