Tail rings can be “unlocked”? What does this even mean?

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Hi, I’m just a reader. I just read the description of this page, which says:

“Their prehensile tail is composed of square-like rings that can be unlocked only in the most extreme conditions.”

I haven’t even the slightest notion of what is meant by this sentence. The linked article does not mention the words “locked” and “unlocked” as far as I could see. This is very confusing terminology, which might need some clearing up. Can seahorses cut off their own tail like geckos? Can they change the shape of their square rings? Can they cut off the rings from each other? I’m eager to learn. Jutphaes (talk) 12:46, 4 September 2021 (UTC)Reply

I can now see that I am not the first who asks this question. It seems that it may hint at removing something from the tail’s grip? Anyway, it’s not clear. Jutphaes (talk) 12:48, 4 September 2021 (UTC)Reply

Wiki Education Foundation-supported course assignment

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  This article is or was the subject of a Wiki Education Foundation-supported course assignment. Further details are available on the course page. Student editor(s): Kabdelnoor.

Above undated message substituted from Template:Dashboard.wikiedu.org assignment by PrimeBOT (talk) 08:49, 17 January 2022 (UTC)Reply

Wiki Education Foundation-supported course assignment

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  This article was the subject of a Wiki Education Foundation-supported course assignment, between 5 September 2018 and 28 November 2018. Further details are available on the course page. Student editor(s): Chiaki167.

Above undated message substituted from Template:Dashboard.wikiedu.org assignment by PrimeBOT (talk) 08:49, 17 January 2022 (UTC)Reply