boats, as they may be used as stops for furling sails, for slings
around gaffs or spars, for hoisting, and in a variety of other ways
which will at once suggest themselves to the boating man.

[Illustration: FIG. 121 _A_.--Making double crown.]

[Illustration: FIG. 121 _B_.--Making double wall.]

[Illustration: FIG. 122.--Double crown (complete).]

[Illustration: FIG. 123.--Double wall (complete).]

[Illustration: FIG. 124.--Wall crowned (making).]

[Illustration: FIG. 125.--Wall crowned (complete).]

[Illustration: FIG. 126.--Double wall and crown.]

[Illustration: FIG. 127.--Double wall and crown (complete).]

[Illustration: FIG. 128 FIG. 129 FIG. 130
FIGS. 128, 129, and 130.--Topsail-halyard toggle.]

The most difficult of ending knots and one which you should certainly
learn is the "Matthew Walker" (Fig. 131), also known as the "Stopper
Knot." To form this splendid knot, pass one strand around the
standing part of the rope and through its own bight, then pass _B_
underneath and through bight of _A_ and through its own bight also;
next pass _C_ underneath and around and through the bights of _A_,
_B_, and its own bight. The knot will now appear as in Fig. 132, but