You can import Effect3D Studio object SCX files into iClone as accessories.
To import an Effect3D Studio object:
Click the Character
button.
Click the Accessories
button.
Click the Modify tab in the file manager.
Click the Import
button in the Import
Effect3D
Studio object field and browse to the Effect3D
Studio Object folder (the default location is C:\Program Files\Reallusion\Effect3D Studio\scenes).sellect and
import the SCX file.

The Effect3D Studio Object is imported and applied to the current character. The default position of the imported object is Right Hand, you may change its position, see Adjusting size and position of accessories for details.