index finger (option 1 : double folded as a bight to prepare a start-side-slip for the final knot) Make two parallel turns around the neck of the bag. Detailed steps: Cross over the hand downwards and take one turn around (front, then back) the neck of the bag first at the sack side of the hand (under the hand), then over the hand and behind the immobilized other end. Take another turn crossing over the immobilized other end, crossing downwards over the hand around (front, then back) the neck of the bag parallel to the first turn Cross over the immobilized other end of the rope, then cross back tucking under both turns, (option 2 : this last tuck with a bight instead of the end as an end-side-slip for the final knot). Bottle sling (sides of a bight form one turn each, pleat between all 4 enter and exit points inside of two turns) See also List of binding knots List of knots References