This section is from the book "The Boy Mechanic Vol. 2 1000 Things for Boys to Do", by Popular Mechanics Co.. Also available from Amazon: The Boy Mechanic, Vol2: 1000 Things for Boys to Do.
Desiring to rivet some pieces of leather together and having no rivet set, I hastily made one from a strip of heavy sheet tin, 3/4 in. wide. This was rolled at one end, as shown in the sketch, and the other end notched to fit over the rivet end. The rolled end formed the part for setting the washer and the slotted end held the washer down while the first blows of the hammer were struck.
Ill: A Strip of Tin Shaped to Take the Place of a Rivet Set