National Hardware
3/16", galvanized forged swivel open round eye link, high strength connecting link used with chain or rope, to permit turning or positioning without tangling lines, has a large eye opening for oversized chain or rope, also a great attachment mechanism used to secure "small dog" to leash.
Baron Swivel
SecureLine Cordzilla Stretch Rope Polypropylene
Ancra Cargo 375 lbs Mini Chain Tensioner
Midwest Air Technologies Sturdy Natural Jute Tomato Twine
Campbell 5/16" 7 x 19 Cable, Galvanized Wire, 200 Feet per Reel