Safety lines - double or triple?

[Deleted member 36384]

I'm not certain which one you mean, as bbg hasn't posted any safety lines, just quick-release snap-shackles of various kinds. However, assuming you meant the one posted by Keen Ed, which bbg then quoted, then I don't think they're they kind you think they are.

One of the tethers on KS (not my 3-hook one) uses these clips. They do have a locking feature, which is that you need to squeeze the yellow plastic covering inwards, towards the mouth of the hook, before it will open. The bail across the mouth of the hook will not open unless the plastic part is pushed firmly towards it first, so I can't see any way it can unclip itself by turning round a D-ring as the old single-action clips could.

Pete

I didn't know that, I was assuming it was a type which had no locking device. I am not referring to the old style gate hook with eye that was common on harnesses. I am sure there are hooks that look similar to the ones in Keen Ed's post that don't have the locking feature you describe, in fact they are just hooks without the yellow device, IIRC.