1.Material is a nail of concrete. Shaping nail by heating and hammering. Please see a ring tool for details.

2.Share a handle with the ring tools.

3.Make two kinds, the right curve and the left curve.

4.First, Turning the portion of the top in the form of a mushroom.

5.Next, Turninh the inside of a mushroom using the byte of the right curve.

6.It is completion. This byte is good! I think that this byte can use variously.