Man, the OG swaylocks had so much, blah, blah.
Thrailkill hyped them up so they probably worked great. This site used to have a beautiful pic of a twingle broomtail with a concaved tail right behind the fins.
But, looking at the few pics in the below post, it looks like dead flat or with vee. But who knows?
You’ve probably already seen this: 1971 Surfer Mag Discovery - #78 by thrailkill
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