Another Nutty Trick Let us say that you need to remove a nut with the use of an open end wrench but the wrench is too large for the nut. When you can do is insert a coin or a washer in between the nut and the wrench. The coin or the washer is going to serve as an excellent little wedge that will make it possible for you to turn the nut even though the wrench is too big. Creating a Lock Washer If you do not have a lock washer but you need one in order to secure a nut, consider wrapping a la