OK, so you’re a shop keeper in Anytown, and you’re fed up with teenagers loitering around outside your store all day. What do you do? Chuck a bucket of water over them? Call the neighbourhood watch? Nah, just install a Mosquito Unit that chases the little hooligans away by beaming ‘complex high frequency sound’ in their direction. £530.00 + VAT and good luck with your customers. (Special discount for RIAA members!)