Bale cincher (5)
I believe the answer is:
twine
(Other definitions for twine that I've seen before include "Strong thread or string" , "twist" , "Stout string" , "Curl; string" , "String, cord" .)
I believe the answer is:
twine
(Other definitions for twine that I've seen before include "Strong thread or string" , "twist" , "Stout string" , "Curl; string" , "String, cord" .)