It is used to hold a pot or pan .
When lifting a hot pan from a hot burner, grip using the potholder, with the edges of the potholder away from or in a way that they do not touch the hot burner.
A potholder is an insulator. Its purpose is to insulate against the heat of the pots that you pick up.
Insulator
Insulator
Make a potholder and demonstrate how you did it!
Or another question related is: What is one possible result of using a wet potholder on a hot pan? It is using a wet potholder on a hot pan, it could possibly start a fire and the steam can burn someone's eyes.
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conduction
An effective potholder has density and low conductivity.
conduction
The cloth used is a poor conductor of heat, and the thicker anything is, the longer it will take for heat to spread from one side to the other.
I wouldn't recomend anything using glues, because the heat. try needle-point, embroidery, any kind of needlework, etc..