About 40-50 years ago my dad's fishing buddy tied barbless flies on hooks just like that. I think they are the "old style" barbless.
Interesting. I didn't think they were still for sale. This is the first time I've seen them in decades. Thanks for posting!
Source: http://www.paflyfish.com/modules/newbb/viewtopic.php?topic_id=17488&forum=3
Heidi Montag Hilary Swank Hilary Duff Michael Douglas Mel Gibson
