What is that do-dad? (The Rigger’s Gauge) October 23, 2014 Image navigation ← Previous 3/16 inch parachute cord being measured. (3/16 para-cord is what I use to tidy up the sail locker) Image navigation ← Previous Got a Comment?.. Cancel replyEmail for verification only, Required*Comment *Name * Email * Website Save my name, email, and website in this browser for the next time I comment.