Grades K–2 · Everyday Life
How can a button go through a hole and then stay put?
A shirt button is attached to one piece of cloth with thread. Another piece has a narrow opening called a buttonhole. Small stitches around the opening help keep its edges from fraying.
In the diagramA button can turn through its openingSide and front views explain a flexible cloth fasteningButton turns edge firstButton lies flatThread to other clothTilted on its edge, the button passes through the slit.
The button does not have to go through flat. It can turn so one edge goes into the opening first. The cloth bends around it as the rest of the button follows through. Then the button turns flat again.
Lying flat, the button reaches across the narrow opening. It holds the two pieces together until it is turned back through. Button size, thickness and the cloth all matter. A hole that is too small is hard to use, while a very loose opening may let the button slip out.
About this explanation
Starting knowledge: Recognize turning, opening and closing.
Sources
- Brother — How do I sew buttonholes?