Figure 10-39.Binders knot.
however, since it forms a part of many other
knots. You use the overhand knot at the end of
a single thread when you are hand sewing.
A binders knot is the simplest method of
joining two cords or threads together, as shown
in figure 10-39. Use it at the end of a double cord
when hand sewing to prevent the cord from
pulling through the material as you sew.
The square knot is the most common knot for
joining two ropes or cords, as shown in figure
10-40. It can be easily and quickly tied and untied,
and it is secure and reliable except when made with
ropes and cords of two different sizes.
The surgeons knot is a modified form of the
square knot (figs. 10-41 and 10-42). In fact, it
Figure 10-42.Surgeons and lock knot.
is the same as the square knot, with the exception
of the first overhand knot, which is a double turn.
This double turn keeps the cord from slipping
while the last overhand knot is tied.
The bowline is used to connect the reserve
parachute pilot chute bridle line to the canopy vent
lines (fig. 10-43).
The half hitch, shown in figure 10-44, is used
to form the tie for the safety ties on ripcord pins
Figure 10-40.Square knot.
Figure 10-41.Surgeons knot.
Figure 10-44.Round knot and two half hitches.