Tying the classic now pattern called Czech Hot Spot Caddis Nymph.- for a long time it was the Secret Weapon of Czech competitors! This pattern in light olive tied with hot spot and ribbed with gold. s a fly for Summer time when fish are active, especially for morning days. The most efficient sizes are #12 and #14. #troutlineflies #troutlineshop #troutflies #flytying #caddisnymph #caddisflies #fluebinding #flytyingjunkie #flytyingnation #flyfishing #fluefiske | Trout Line