Rattle - level 5 - A brainteaser of the brand Huzzle, the new name of Cast Puzzle

The brain breakers of Huzzle Cast puzzles all have the same challenge:

Can you take the puzzle apart? And, do you get the puzzle back together?

Enjoy the beautiful quality of the metal product. Perfectly finished!

The 4 parts of this puzzle are loosely locked. Easy to disassemble? Appearance is deceptive! Don't look too far, and you will succeed!
This brain crusher scores a difficulty level of 5 out of 6.