Sandro at Mr Caputo's Clinic (Patreon)

 One of the iconic images from the Mr Marcus Series 5 is Sandro in his routine at Mr Caputo's clinic.  For a week the boy was not without his tight straitjacket.  It was the standard uniform and it got used to the prisoners living like that to get used to not using their arms while also receiving the hypnotic treatment.  They slept in their prison gondolas and then spent hours in their stimulation chairs.