How to make a Redstone Clock/Loop

Here is what you need for the Redstone Clock/Loop. You need 5 Redstone, how much as you want repeaters you need 4 (I like using 16), you need a block (any block you can place a button on), and you need a button. Ok now you need to put 4 on each side must be like the image. Then you put the Redstone on the corners of then. After that you put the one Redstone that is facing the same direction as the Repeaters. Then you put your block and put a button on it. Press the button break the Redstone (Leading to the button). Then you made a Redstone Clock/Loop!