Page 118 - Mario Bigon "The Morrow Guide to Knots"

bends

Bends are used for joining two ropes at the ends to form a
longer rope. These knots are divided into two groups: those
made in string and small stuff which do not need to be untied
after use (for example, the weaver's knot) and those which are
to be untied after use. For bends to be secure, the ropes joined
have to be of the same diameter and have the same properties.
Also note that a wet rope is stronger than a dry one. The sheet
bend is an exception to the above rule; as it is extraordinarily
secure, even when made with ropes of different diameter.
Bends should only be used as a temporary measure; splices
should be used for more permanent joints. The most important
bends are: the reef or square knot. the sheet bend, the carrick
bend, the water knot. the grapevine knot, the Hunter's bend,
the Japanese bend, and the surgeon's knot bend.

The illustration on the following pages shows:
1. Sheet bend 2. Japanese bend 3. Water knot
4. Reef or square knot 5. Hunter's bend 6. Carrick bend
7. Surgeon's knot bend 8. Grapevine knot
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