Hanayama Cast Metal Puzzle- Quartet Level 6

Hanayama has done it again, with the cast metal Quartet Puzzle. Inventor Mine Uyematsu has designed this brainteaser puzzle with a bond that's truly difficult to disentangle. Consider how such a bond is formed, and you'll discover the secret to breaking it. There are two approaches to this puzzle - are you clever enough to find them both? And once you've disassembled the interlocking rings, can you reassemble the puzzle? We've included the solution along with your puzzle just in case you find yourself stumped. This amazing brainteaser puzzle is just one of the many intriguing puzzles from Hanayama. Rated Level 6, considered very difficult by most puzzlers. BePuzzled is more than just jigsaw puzzles. It's puzzle-plus. Not only do we develop interesting jigsaws, but we also apply our University Games game development expertise, using it to build special added value into our products. You'll find a wide range of entertaining puzzles for children and adults.
      
         
       
       True bonds are hard to form, yet they are eternal. Inventor Mine Uyematsu has designed a cast metal brainteaser puzzle whose bond is truly difficult to unravel. Consider how to go about forming and breaking such a bond. There are two approaches to this puzzle; are you good enough to find them both?