Useful little tool for fly line cleaning, it is made in strong plastic material with two felt pads interior. Just slowly run your fly line through between the two pads previously soaked with Line grease Stonfo nr.item 464. Its anatomic shape allows to adjust the force as desired. With eyelet for hanging from a tool holder.slowly run your fly line through between the two pads previously soaked with Line grease Stonfonr.item 464. Its anatomic shape allows to adjust the force as desired. With eyelet for hanging from atool holder.Do you need help? Do you have any questions?Ask a question and we'll respond promptly, publishing the most interesting questions and answers for others.