article_snippet.sent: The supermarket stand-off was caught on camera for a forthcoming film called Fixing Dad, a searingly honest but moving account of the Whitingtons' journey, which has already won coveted slots at film festivals.
article_snippet.sent: Scroll down for video .
article_snippet.sent: That's where the filming proved so useful.
article_snippet.sent: Anthony explains: 'Filming the whole process meant we could show Anthony footage from a couple of weeks before as a motivator so Anthony could see how far Anthony'd come.'
article_snippet.sent: To watch the trailer for Fixing Dad, go to fixingdad.com.