Changeable cap / spray cap

In order to spray different effects,graffitists have different functions in the process of creating graffiti. But it’s inconvenient to distinguish and change.
Changeable cap is a spray paint cap. It combines six kinds of caps. Operation became more convenient.Changeable cap combines six kinds of caps, through the rotatable structure. The numbers represent different effects, and they have different functions in the process of creating. “Normal cap” is used for drafting; “Fat cap” can fill in main patterns; “Super fat cap” is used to fill in background color; “Skinny cap” is used to draw outlines; “Super skinny cap” can add details.