Proteus Is A Specialist Pure Fluorocarbon Primarily Designed For Leaders And Snoods With A Stiffer And Super Tough Nature. Effectively Invisible When Submerged Due To Its Light Refraction Index Being Almost Identical To That Of Water, Bite And Catch Rates Generally Always Improve Significantly Compared To When Using Normal Mono. The Stiffer Nature Of Proteus Enables Advanced Rig Design And Specialist Presentation. Proteus Is Favoured Particularly Amongst Lure And Saltwater Anglers, Both From Shore And Boat Who Are Likely To Encounter Tough Conditions Over Rocks, Shingle Or When Wrecking.