yeah don't take it on on your own. you'll end up in one hell of a mess. ferrets every were nets all over the place. you'll need two quick set long nets,two gate nets, three or four ferrets and a friend.
run the long nets out parallel up the hedge
cut a small gap in the hedge (JUST BIG ENOUGH TO WORK IN)
connect the two nets together with gate nets(so that you have surrounded the holes)
put in the ferrets
wait ( one man each side)
repeat all the way down the hedge
good luck mate atb RAW