The Cutter effect cuts out a portion of an image using a matte drawing. You can use the Cutter effect to allow a character to disappear behind a background element or to cut a virtual hole into the layer itself. The Cutter requires a matte input.
Use the Cutter editor to invert the effect of the matte on an image. Instead of the object being hidden by the mask, it will only be visible where it intersects with the matte shape area.