48 FTistory of Gutta-Percha Wittie. “Ah! but I don’t sharpen my thread; I puta point upon it.” “Doesn't that mean the same thing?” “Well, it may generally ; but / don’t mean fie same thing by it. Look here.” “TI see!” cried Willie; “there is a long bit of something else, not thread, upon it. What is it? It looks like a hair, only thicker, and it is so sharp at the point!” “Can’t you guess ?” “No; I can’t.” “Then I will tell you. It is a bristle out of a hog’s back. I don’t know what a shoemaker would do without them. Look, here’s a little bunch of them.” “That ’s a very clever use to put them to,” said Willie. “Do you go and pluck them out of the pigs?” “No; we buy them at the shop. We want a good many, for they wear out. They get too soft, and though they don’t break right off, they double up in places, so that they won’t go through.” “ How do you fasten them to the thread ?” “Look here,” said Hector. He took several strands of thread together, and drew them through and through a piece of cobbler’s wax, then took a bristle and put it in at the end cunningly, in a way Willie couldn’t quite follow; and then rolled and rolled threads and all over and