Hanayama Cast Iron Puzzler Quartet – Level 6 (HZ 6-05)

Description

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? By Huzzle.