The bracelet referred to in Chapter X, section 1, and the hair comb described in Chapter IX, section 3, are made from rings cut in the hollow section of the horn, according to the method indicated in Chapter II, section 3.

Depending on the diameter and thickness required, rings are cut either from the base of the horn, which is larger in diameter with a thinner wall, or from the area close to the solid section, which is smaller in diameter but with thicker walls.

Rings cut in the hollow section of horn are used for the manufacture of bracelets because of their similarity of shape. Surprisingly, however, such rings are also suitable for the manufacture of flat combs since, in order to ensure that the teeth are strong, they must be cut parallel to the horn fibres, i.e. along the length of the horn.

To manufacture a horn comb, it is first necessary to cut a ring in the hollow section of the horn. The width of the ring should be slightly greater than the desired width of the comb to allow for trimming and polishing. The perimeter of the ring must be longer than the desired length of the comb. The ring is then split along a line to allow flattening into a rectangular shape, from which the comb is made, as indicated in Chapter IX, section 3.

Solid horn sections may be used to produce buttons or knobs and handles, as shown in sections 1 and 5 of Chapter IX.