Buttons.
The zipper was invented by Whitcomb Judson in 1890 in Chicago. The method he used in his invention is still in use today.
The modern zipper was invented by Gideon Sundback in 1913. It was an improvement on previous designs, providing a more reliable and easier-to-use fastening system. The zipper quickly became popular for use in clothing and other products for its efficiency and convenience.
bikes
benches
pickaxes
carriages
Fingernails!!
Brief case
horses or their feet.
wall sockets
We used letters.
A pen and paper!