= R =
rat belt n.
A cable tie, esp. the sawtoothed,
self-locking plastic kind that you can remove only by cutting (as
opposed to a random twist of wire or a twist tie or one of those
humongous metal clip frobs). Small cable ties are `mouse belts'.
--The Jargon File version 4.3.1, ed. ESR, autonoded by rescdsk.