Makes a knot (4)
I believe the answer is:
ties
'makes a knot' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for ties that I've seen before include "Attaches, knots" , "allegiances" , "Binds with male neckwear" , "Items of neckwear" , "Connects" .)