By A Mystery Man Writer
Puzzle Academy - Box Of Nails - S Nail Solution
Bundle of 4 Identical, Shiny, Twisted Nail Metal Brainteaser Puzzles. Solid construction. See if you can Separate the two Nails. Rejoining the nails
Twisted Nails Puzzle, aka Bent Nails Puzzle, Bundle of 4 Identical Puzzles
The Art of Metal Brain Teasers
National Museum of American History
Broken Heart Wooden Brain Teaser Puzzle, Disentanglement
Disentanglement puzzle - Wikipedia
Gabriel Fernandes' Puzzle Collection: The Captive Ring (Magic Loops)
Disentanglement puzzle - Wikiwand
Get Hooked, Nail Puzzle