Securities there's no need to feel edgy about (5)

I believe the answer is:

gilts

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

I can't explain the remainder of the clue.

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

I've seen this clue in the Evening Standard.

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