You may see a pin hole used to activate them.

The bars may be fabricated with pin holes that are slightly undersized.

"And put pin holes in your nice clean walls," I said.

They are often added for better ventilation, grip, or aesthetics and can be as fine as a pin hole.

His super eyes saw a tiny pin hole in the cloth of the shirt.

Duke has pin holes on the front of her earlobes due to a genetic condition.

Make a larger hole at the other end by working outward around the pin hole.

Unlike the kofia, it is covered in embroidery and does not have pin holes.

We'd take bonbons, make pin holes at the bottom and drain out the chocolate.

Microscopic pits eventually grow and consolidate to form pin holes.