In reply to nikinko:
> (In reply to taylori)
>
> apart from leaving the loop free of stopper knots and possibly easier to belay from, clip into, etc, is there an advantage of it over a bowline with a stopper?
It's a more stable/secure knot than a bowline; because of the extra nip provided by the last tuck it will stay done up. That's why the BMC knots booklet says it doesn't need a stopper (although I always use one anyway).
You also get the advantage that the extra turn at the neck makes it far less likely to pull apart, the same as you get with the double bowline.