Crossword Genius

One keeping watch close at hand? (5)

Ross

I believe the answer is:

strap

I'm a little stuck... Click here to teach me more about this clue!

This clue could be a double definition.

'one keeping watch' is the first definition.
The answer and definition can be both man-made objects as well as being singular nouns.
Maybe you can see a link between them that I don't see?

'close at hand?' is the second definition.
The answer and definition can be both man-made objects as well as being singular nouns.
Maybe you can see a link between them that I can't see?

Can you help me to learn more?

(Other definitions for strap that I've seen before include "Elongated leather strip" , "something to hang on to" , "Shoulder band" , "Leather fastening" , "Whip" .)

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