Larry Burke wrote:
> I'm not aware of any self-locking. Only locking and non-locking. The locking
> require the user to screw the locking sleeve mechanism into the mating
> threads. Depending on the use, the non-locking are perfectly acceptable for
> most tower work. Don't think I'd use them for rescue work, though. YCLMV
> (Your Comfort Level May Vary).
> - Larry
I haven't bought any 'biners in a decade or so, but they used to have
ones where the slot that the pin in the gate engaged with was L shaped.
under load, the pin would drop into the L, preventing the gate from
opening. Of course, if you took a really hard fall and permanently
deformed the metal, you couldn't ever open it. Don't know if they still
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