CODIS is the acronym for the Combined DNA Index System and is the generic term used to describe the FBIâs program of support for criminal justice DNA databases as well as the software used to run these databases.
The first thing you do is make the center of your bow by creating a small loop. Keep your thumb inside the loop, holding down the end of your ribbon as you make the rest of the bow. From that center loop, create a bigger loop on each side.Going back and forth while holding the center together.This ribbon was easy because it was the same on both sides. If you are using a wire edged ribbon that has a design on one side, you will have to twist the ribbon at the center of the bow, as you begin to make the loops on each side. I make 4 loops on each side.oing back and forth while holding the center together. This ribbon was easy because it was the same on both sides. If you are using a wire edged ribbon that has a design on one side, you will have to twist the ribbon at the center of the bow, as you begin to make the loops on each side. I make 4 loops on each side.
Some fine synthetic bows are also made of fiberglass and other man made materials. Cheaper bows can also be made of synthetic materials and less suitable types of wood. A bow maker or luthier typically uses 150 hairs for the bows for violin family instruments.Inexpensive bows often use nylon or synthetic hair.Rosin, which is sticky and made from tree sap, is regularly applied to the bow hair so that the bow moving across the instrument's strings will cause the string to vibrate and produce a tone.nexpensive bows often use nylon or synthetic hair. Rosin, which is sticky and made from tree sap, is regularly applied to the bow hair so that the bow moving across the instrument's strings will cause the string to vibrate and produce a tone.