the.com/safeguard
The seatbelt you resent until the exact moment you don't.
means A measure or device put in place to prevent harm, loss, or things going spectacularly wrong.
from From Old French sauve garde, literally a safe keeping or watchful protection, stitched together in the 1400s when bodyguards were a household necessity.
Legal muscleTrade law uses safeguards as emergency import brakes.
Verb tooYou can safeguard a secret, not just hold one.
Hardware echoOld machines had physical safeguards over moving blades.