The safety pin has a pin that goes into the head of the pin, and you push the point in or out of the head of the pin.
a safety pin
safety pin
safety pin
Or the grenade will go off in your face
The safety pin was invented to pay off a debt.
Yes, the word "safety pin" has a short I sound, as in the word "pin."
No it is not made of cells it is dead a safety pin is not alive
why did Walter hut make the safety pin
Walter Hunt invented the safety pin in 1852
The safety pin was originally patented by Walter Hunt of New York. Walter received a patent for the safety pin on April 10, 1849.
The modern safety pin was invented by mechanic Walter Hunt in 1849.