» Image 1 The raw buffalo horn. » Image 2 The buffalo horn is pressed into plates and the remains are used, for example, to make buttons. » Image 3 Outer and inner forms are cut out manually and the frame groove is sunk. » Image 4 All surfaces are carefully treated.		» Image 5 The indivual parts are polished. » Image 6 The millings and hinges are set in. » Image 7 In case of nylor spectacles, threads are drawn into the precisely placed boreholes. » Image 8 Finally the finished parts are carefully assembled and adjusted.