According to Tokyo Tek these clapping hands robots were modelled after the inventor's arms and were made with "an aluminium skeleton coated with urethane flesh and were specially designed to make a natural sounding clap" and that "they can be used at concerts to enhance the sound of real clapping" or as good "spanking machines" to, of course, spank the monkey with! DUH! It all makes perfect sense now.
You can see and hear it for yourself:
To find out more about these very useful new robotic hands, please visit the Ondz Multipurpose Hand Clapping Machine website.
See also: Japan's Hand(job) iPhone Case Forever Alone Model