Stopper knots

Stopper knots do exactly what their name tells. They stop objects from falling of the rope. They are always knots because they are tied in the rope itself. They form a thickening in the rope to avoid it from slipping through for example an belay device or Prusik knot.

Ashley stopper knot

Double overhand

Figure eight knot

Overhand knot

Stevedore stopper knot