Knots

Reef knot:
This is used for tying together two ends of a rope. It is also the knot, which should be used for tying triangular bandages. It is a flap knot, doesn't  sleep and is easily untied.

Sheet bend:
Sailors call some of the ropes used on sails, "sheets". A "bend" is a way of making a loop.
      This is used for tying together two ropes of equal or unequal thickness and fortying a rope a loop or for joining ropes to material such as staff, sails or cloth. The loops should be made in the thick rope.