From Halopedia, the Halo wiki
Microfilament cuffs are a type of physical restraint used by the United Nations Space Command. They are noted as being strong enough to hold a Jiralhanae. Kilo-Five used a set of microfilament cuffs when taking Dr. Catherine Halsey into custody in 2553.
List of appearances
- Halo: Glasslands (First appearance)
- ^ Halo: Glasslands, page 377