Kercang
Kercang (Jakun pronunciation: [kərˈt͡ʃaŋ]) (also known as chek reij nuej and buah latep) is a type of disentanglement puzzle game from the indigenous communities of the Malay Peninsula made using rattan and strings. The goal of the puzzle is to free the strings from a set of intertwined rattan wood, which is bent and twisted into many shapes and forms based on the difficulty of the puzzle.