It should also be noted that the United Nations Standard Minimum Rules for the Treatment of Prisoners provide that other instruments of restraint must not be used except as a precaution against escape during a transfer, on medical grounds as directed by a medical officer, or, if other methods of control fail, in order to prevent a prisoner from injuring himself or others, or from damaging property.
Thairis sin, ba cheart aird a thabhairt go bhforáiltear le Rialacha Íosta na Náisiún Aontaithe maidir le Cóireáil Príosúnach nár cheart gléasanna srianta eile a úsáid ach amháin má tá baol éalaithe ann le linn aistrithe, ar chúiseanna leighis mar a ordóidh oifigeach liachta, nó, má theipeann ar mhodhanna eile srianta, chun cosc a chur ar phríosúnach é nó í féin nó daoine eile a ghortú, nó damáiste a dhéanamh do mhaoin.