Page 344 - Bob Holtzman "The Field Guide to Knots How to Identify.."

39. Portuguese Bowline

Also known as: French Bowline

This double-loop bowline is tied at the working end, not on a bight. It can
be tied with both loops of equal size or in any proportion desired for
balanced lifting of odd-sized loads. It can be used as a bosun’s chair with
two equal loops around the legs. The bosun’s chair is sometimes arranged
with one loop around both legs and the other around the torso, but this is
dangerous and so not advisable.

Uses: lifting large, heavy loads
Pros: secure; adjustable size loops; unties readily

Cons: loops can shift toward the one bearing the heavier load

Instructions

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