Most fly fishermen and women begin their fly fishing careers throwing an indicator rig for trout. Regardless of what the euro folk may say, it is still a deadly method to fish for trout. Many different types of indicators have evolved from this tactic, and they all behave similarly. They are a High-vis color (or colors), they float, and when a fish takes your fly, they go underwater. Lightning Strike Bi-Visible Football Foam Indicators perform all these tasks very well, and will make a great addition to your pile of streamside supplies.
Uses: Indicator nymphing
Comparisons: Similar to the ever-popular Thingamabobber in function, but these are made out of foam whereas they are made out of plastic. Different fishermen prefer different indicators.