guard

Sunning himself on the board steps, I saw for the first time Mr. Farquhar Fenelon Cooke.[…]A silver snaffle on a heavy leather watch guard which connected the pockets of his corduroy waistcoat, together with a huge gold stirrup in his Ascot tie, sufficiently proclaimed his tastes.

The Garda Regulations 1924 required a candidate for appointment as a guard to be able to produce satisfactory references as to his character

The president inspected the guard of honour.

The motorcycle mechanic removed the damaged chain guard.

Another possible way is to go for a lower profile tyre (50 series). This effectively lowers the distance of the tyre wall away from the guard (not by much though and generally, the lower the profile, the wider the tyre so the tyre may stick out more as well).

When an engineer wished to stop a swiftly moving train he had first to whistle to the guard requesting him to apply the hand-brake of the van, and then apply the hand-brake of the engine. Guards did not always hear.