1.0Orvis Newshttps://news.orvis.comPhil Monahanhttps://news.orvis.com/author/monahanprich600338<blockquote class="wp-embedded-content" data-secret="zmrbSXOpQc"><a href="https://news.orvis.com/fly-fishing/video-tying-the-light-cahill">Video: How to Tie the Extended-Body Light Cahill</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://news.orvis.com/fly-fishing/video-tying-the-light-cahill/embed#?secret=zmrbSXOpQc" width="600" height="338" title="“Video: How to Tie the Extended-Body Light Cahill” — Orvis News" data-secret="zmrbSXOpQc" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); </script> It's sulfur time on the Battenkill, as well as on waters across the country. One of the venerable patterns for matching these hatches is the Light Cahill. Historians don't seem to agree about whether the pattern was . . .https://news.orvis.com/images/01-fly-fishing/2014/05-may/cahill.jpg