Page 273 - Bob Holtzman "The Field Guide to Knots How to Identify.."

Uses: lifting large, heavy loads

Pros: working end is on outside of loop,
unlike standard Bowline

Cons: less secure than standard Bowline

37. Bowline with Two Turns

Uses: general lifting, climbing, personal
safety

Pros: very secure, easy to untie

Cons: bulkier than standard Bowline;
requires more rope

38. Water Bowline

Uses: general lifting and pulling, safety;
docklines, especially in wet, slippery rope

Pros: extremely secure

Cons: uses more rope, trickier to tie than
regular Bowline

39. Portuguese Bowline

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