This week I will be talking about the Lunatic Lock. This is my first trick lock. I had never heard of trick lock puzzles until I started my mechanical puzzle collection. In a nutshell, a trick lock is a type of puzzle where opening the lock doesnít solely occur through the placement and turning of a designated key or through dialing in the correct combination. In fact, the Lunatic Lock cannot be open with a key or combination method. All you have is the lock and what appears to be a bolt that can move up and down. That is it. This puzzle was a lot of fun to solve and took me a while to find the solution. Donít worry if it takes a while to solve. You can easily take it with you. The solution method is interesting and requires a specific movement. The only complaint about this puzzle is the sharp edges. The puzzle isnít pleasant to handle and I do think that it would have been a better experience if the edges were smoother. I think I might end up filing down those edges a bit to make the thing more comfortable to hold. I received this puzzle from Puzzle Master and if you need the solution then check out their solution page. If you really do like trick locks and have a little extra coin then I would suggest a Popplock. Popplocks are hand made by a German fellow by the name of Rainer Popp. While they are a bit price they are very nice. Please check out some of the reviews from fellow puzzle bloggers as they do seem like a real treat.