how to make a chain with lanyard string. Ex: a barrel or square?

Answer 1

Try this site. It gives you very basic, step by step directions to making them. To make a round one, you just go diagnal instead of straight across. You'll understand that after reading the instructions and making a square one.

http://www.johnperkins.com/Documents/Lanyards%20How%20To%204String.htm

Answer 2

This site shows many different designs, with instructions.
http://www.boondoggleman.com/index.htm

Answer 3

boondoggleMan.com