Planted myself in some glossy fabric (5)

I believe the answer is:

satin

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'glossy fabric' is the definition.
(I've seen this before)

I don't understand how the remainder of the clue works.

(Other definitions for satin that I've seen before include "Material with glossy front and dull back" , "Smooth glossy fabric" , "Saint (anag.)" , "Stain found in cloth" , "Lustrous fabric" .)

I've seen this clue in the Sydney Morning Herald.

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