These mono furled leaders are a bit stiffer than their thread cousins making them more suited for larger dry flies, nymphs and potentially streamers.
UNI-Thread Furled Leader – Clearstream Fly Fishing
Smooth connections and furled leaders - Truttablog
Shop Fretz Furled Leaders
Twined or furled leaders, Global FlyFisher
Hemingways Furled Leader - Fly Fishing Leaders
Hemingway's Furled Leader 6.5ft 1-3wt - Fly Fishing Gear & Fly
Furled Leaders Discount
The art of furling - Fly Fishing - SurfTalk
Furled & Braided Leaders, Fly Fishing Leaders