The video demonstrates the use of negative reinforcement or pressure and release in working with nervous or unhandled donkeys.
It demonstrates shaping behaviour and can be considered the first part of the catching process if you have a nervous or unhandled equine.
http://www.thedonkeysanctuary.org.uk/training-centre
The Donkey Sanctuary is an international animal welfare charity, based in the UK, working to protect and care for donkeys and mules.