Protected security strap

A method of connecting a tracking device to a limb of a person, comprising:

• receiving a communication interface encased in a encasement with a receptacle on two opposite sides of the encasement;
• receiving a strap, comprising:
• one or more thin elongated flexible sheets;
• links coupled to one side of the one or more thin elongated flexible sheets;
• a fiber optic cable extending from a first end of the thin elongated flexible sheets to a second end of the thin elongated flexible sheets;
• a head connected to each end of the thin elongated flexible sheets;
• inserting the heads of the strap into the receptacles of the communication interface to lock the straps to the communication interface and prevent the straps from sliding out of the receptacles;
• and
• wherein the communication interface is configured to detect tampering with the strap by transmitting an optical signal through the fiber optic cable.