Conservation of Genetic Material — DNA Replication

You decide that you want to make a friendship bracelet for your best friend. You know that your friend really likes the bracelet that you wear that is made of two intertwined pieces of string. You think that it would be special if you make your friendship bracelet semiconservatively, using your own bracelet as a template. This way, you both have matching friendship bracelets.

How do you make your new friendship bracelet using a semiconservative replication method?