Crossword Genius

Securities one may think edgily about? (5)

Ross

I believe the answer is:

gilts

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'securities' is the definition.
The answer and definition can be both man-made objects as well as being plural nouns.
Maybe they are linked in a way I don't understand?

I cannot understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for gilts that I've seen before include "Government fixed-interest securities -- young sows" , "Reliable stocks" , "UK government fixed-interest loan securities" .)

I've seen this clue in the Evening Standard.
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