Accessories of netting on top of silk (9)
I believe the answer is:
trappings
'accessories' is the definition.
(thesaurus)
I don't understand the rest of the clue.
Can you help me to learn more?
(Other definitions for trappings that I've seen before include "Bells and whistles" , "office equipment" , "signs of success" , "Clobber" , "Symbolic accessories of office" .)