Video Vikings: VHS is still the only way to open a vault of horror

Nine years after the last major Hollywood release on the VHS cassette format - David Cronenberg's A History Of Violence in 2006 - a movement to protect and preserve the obsolete format has begun. Seven years after the last standalone video cassette recorders rolled off the production line, there is a growing realisation that the wholesale move from VHS to DVD left behind not only a wealth of films that were never transferred but an entire culture and time period.