Following that, each prisoner was given a smock with now undergarments. Chains were put around their right ankle and was to remind the prisoner of their place. Zembardo also used ID numbers, as previously mentioned, to make the prisoners feel like they were nothing but a number. The prisoners were not to be called by their real names. This all ties in to simulating a real prison, and theses where the steps taken in doing so.
As for the guards in this experiment, they were never told how to be a guard. They were aloud to take on the role as they saw fit and do whatever was necessary to keep the order of the prison. This lead to the guards making their own rules. However, the guards did have to dress properly. They were dressed in kakis and wore a whistle. Additionally, they carried around billy clubs, and wore sunglasses so that no one could tell their real emotion or identity. The guards worked eight-hour shifts, so they rotated each