have a look on here , http://collinsnets.co.uk/product-category/vermin-control/vermin-traps / http://www.gameandcountry.co.uk/Snares+%26+Snare+Wires/0_CAAA135_CAAA189.htm
http://www.wma-shop.co.uk/ourshop/ , have a go at making some of your own there's nothing more satisfying