1. The use of chains, irons or other instruments of restraint which are inherently degrading or painful shall be prohibited.
2. Other instruments of restraint shall only be used when authorized by law and in the following circumstances:
(a) As a precaution against escape during a transfer, provided that they are removed when the prisoner appears before a judicial or administrative authority;
(b) By order of the prison director, if other methods of control fail, in order to prevent a prisoner from injuring himself or herself or others or from damaging property; in such instances, the director shall immediately alert the physician or other qualified health-care professionals and report to the higher administrative authority.