Thank you very much for your message and for your time, mitresg!!
I have applied the "multiple exposure" technique ... in this case it has been done through software mediation. Three shots, overlapping each other. I occasionally "slightly" move the camera in one of the shots to decentralize the image and get the motion blur. I do not have a "script" ... I am very chaotic in my work and every image I treat in a different way.
I hope I was helpful!!... Best regards