Trust me to get carried away with a daft song. I'll have another go....Your swinging hammock suspension arms.
A 3 1/4 inch Stainless Steel Quick Link.
not sure! dang it!
Stab in the dark ... the end frame for a Hammock.
"Dreamin in the breeze" is your cool floaty chair.
Thank you for visiting. Hope you enjoyed the pictures. Any comment, or correction to any information or identification I get wrong, is most welcome. John