Mystery of “Impossible Nail-Through-the-Wood” Puzzle

Some time ago, someone posted a picture on Reddit which showed a nail that was passed through a solid wood block. The person claimed that there was no “cheat” involved i.e. no glue or pieces held together. The person also said that he did not do it himself and found the block during a hiking trip. There were many attempts and theories, but finally a Youtuber has showed us how to achieve this impossible. Here is the video