Tiny sweater? (4)
I believe the answer is:
pore
'tiny sweater?' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for pore that I've seen before include "Rope around tiny hole" , "Tiny opening in the skin" , "Look intently" , "Sweat gland" , "Minute opening in the skin" .)