67,000 don't make me laugh ? there's more about than ever I worked on a vineyard farm for 8 years and could not keep them dirty black and white pigs off the grapes they love them we try most things( bells --electric fence--human hair from barber etc ) nout worked until I was out flying the gos on one weekend and bumped into a very interesting old guy and started chatting about the hawk and just happened to mention the problem we have with piggys on the grapes and low and behold he laughed and said you need diesel ( thinking to myself ) I got petrol car ?and he told me any gamekeepers or farmer