J. G. Wood, The uncivilized races of men in all countries of the world… (1875)
“ The most valuable, as well as the most durable knob-kerries are those which are cut out of rhinoceros horn, and a native can hardly be induced to part with a fine specimen for any bribe. In the first place, the very fact of possessing such an article shows that he must be a mighty hunter, and have slain a rhinoceros; and in the second place, its great efficacy, and the enormous amount of labor expended in carving out of the solid horn, endear it so much to him, that he will not part with it except for something which will tend to raise him in the eyes of his comrades. ”
