I use to tie my own teasers...nothing that had a fancy "name" just a few hackles and or bucktail on a hook up ahead of my plug. (I should have named them "sandman's sandeel" or "Righty's confuser"
) I generally would tie this on when fishing was slow. I used them a lot after Tony Stetzko got his big fish in 81. Yes, I did find the hit rate to generally increase but they were mostly smaller fish (for me anyway) that would take the teaser. (you also will pick up shad, small blues and other smaller crap fish like sand dabs crusing the surf zone) Sometimes I would get a double header. As an experiement I tied on 6 or 8 of them once and gave it a umbrella rig like look to the plug. (Hey...you got to try new things or you will never learn anything.)
Since I am trying to target fish larger that for the most part I concentrate on the bigger baits solo now. But as I said if things slow down or the conditions are good for an added appendage I will tie on one (so to speak
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I have to say though now that my wife fly fishes and has a lot of flys, I do pick thru her selection and find some nice teasers to add on. Frankly though I have not found bass *that* particular on which fly...generally an epoxy minnow or sandeel type does the trick.
*Many* people each season see a teaser rig on my rod and ask..."Does that really work any better?" My response is now.. "I just tie it on to fool the tourists"
another question that is asked.."What is the biggest bass you have ever caught ON the teaser itself?" Honestly, the largest fish was in the low 20's but most of them are schoolies and shorts.
Does it enhance the plug?.....my response would be: at times it does.