If yoursquore looking for the ultimate in brain scrambling challenges then our loony loop puzzle is a must it will take only the most dedicated of problem solvers with bags of concentration to get to grips with this one the only question is if you have the perseverance and patience to take on the task the aim of the game is to free the cord from the metal loop sound simple well possibly not when you find out that you canrsquot untie or cut the cord ndash however frustrated you get