20. Reef knot (or square knot)
20. Nœud plat (ou nœud droit)

#adventcalendar #december #christmasiscoming #knots #ropeknots #knotskills #boating #sailing #tyingknots #reefknot #squareknot #sailingknots #noeudsmarins #noeud #noeudplat #matelotage #calendrierdelavent #decembre #nautisme #plaisance