Sharp instruments? (5)
'sharp instruments?' is the definition.
'harps' can be an answer for 'instruments?' (I've seen this in another clue). I'm unsure of the 'sharp' bit.
This is all the clue.
Can you help me to learn more?
(Other definitions for harps that I've seen before include "Musical instruments of sharp kind" , "Dwells" .)
(Other definitions for needles that I've seen before include "Conifer leaves" , "is irritating" , "IoW rocks" , "Is annoying" , "Annoys, pointers" .)