That little dimpled metal cup probably rattling around the bottom of an old sewing tin is a thimble, and it exists to save your fingertip from the back end of a needle. Sewing thimbles slip over the finger that does the pushing, so you can drive a needle through stubborn fabric without leaving a sore red dent in your skin.
Here’s the part people get wrong. A thimble isn’t a decorative trinket, even though plenty of pretty collectible ones exist. And it doesn’t go on your thumb by
