We have probably all heard often heated debates between fly anglers about using strike indicators or not. Well if you want to give your favorite tweed clad purist a heart attack, simply tie one of these trolling bobbers from www.Trollingbobber.com above your size 6 copper john the next time you hit the local chalk stream. For reasons we won't go into, these look as though they might not be legal to possess in Alabama.
If you had rather not use indicators you might consider reading this article via FishandFly.com by Jeremy Lucas that addresses take detection.
Photo via Trollingbobber.com