The issue would be with whether they were wearing the leg restraints at the appropriate time, which is supported by the UN standards, which are as follows: was it for the purposes of transfer, was its purpose to prohibit escape, was it for the purposes of preventing self-injury? If you are going to use those restraints for a long period of time, then there's monitoring involved. That's why, whenever I was there, I would make sure to look for signs of distress and--
Evidence of meeting #18 for Special Committee on the Canadian Mission in Afghanistan in the 40th Parliament, 2nd Session. (The original version is on Parliament’s site, as are the minutes.) The winning word was detainees.
A recording is available from Parliament.