{"product_id":"477-chadwick-wool-killer-bug-yarn-subs","title":"477 Chadwick Wool\/ Killer bug yarn Subs","description":"\u003ch1\u003e477 Chadwick Wool\/ Killer bug yarn Subs\u003c\/h1\u003e\n\u003cp\u003eChadwick 477 wool is one of the most recognisable and talked-about materials in traditional fly tying. It became famous through the Sawyer Killer Bug, a simple but highly effective nymph pattern developed by Frank Sawyer. The original fly relied entirely on a specific shade and texture of wool known as Chadwick’s No. 477.\u003c\/p\u003e\n\u003cp\u003eThe original material is no longer produced. As a result, genuine Chadwick 477 is extremely rare and usually only found second-hand or in old stock. Because of this, most modern tying uses substitute versions designed to replicate the original colour and behaviour in water.\u003c\/p\u003e\n\u003cp\u003eWhat made the original 477 unique was not just the colour. It had a distinctive muted pink-grey tone with slight translucency when wet. This gave flies tied with it a natural, “buggy” appearance that closely resembled freshwater invertebrates. Modern substitutes are blended specifically to match how the original looked both dry and submerged.\u003c\/p\u003e\n\u003cp\u003eIn use, the wool is primarily a body material. It absorbs water quickly, which helps flies sink without needing excessive weight. At the same time, it creates a soft, slightly fuzzy profile that suggests movement in the water. This makes it effective for nymph patterns where subtle presentation is more important than flash or brightness.\u003c\/p\u003e\n\u003cp\u003eMost substitute versions are supplied as multi-ply yarn. This allows the tier to adjust thickness by splitting strands. A single strand gives a slim, controlled body. Multiple strands create a fuller profile for larger patterns.\u003c\/p\u003e\n\u003cp\u003eAlthough strongly associated with the Killer Bug, Chadwick 477-style wool can also be used in other traditional nymphs and simple wet flies where a natural, understated colour is required.\u003c\/p\u003e","brand":"Slaney Fishing","offers":[{"title":"Default Title","offer_id":57597688447302,"sku":"5056304610365","price":1.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/6651\/9366\/files\/477-chadwick-wool-killer-bug-yarn-subs.jpg?v=1791993921","url":"https:\/\/slaneyfishing.com\/products\/477-chadwick-wool-killer-bug-yarn-subs","provider":"Slaney Fishing","version":"1.0","type":"link"}