Second-hand, or sometimes "pre-loved".
The twisty thing on a safe is called a dial or combination lock. It is used to input the correct combination of numbers or symbols to unlock the safe.
A spyglass or a telescope.
The item used to measure time worn on the wrist is called a wristwatch or simply a watch.
If your talking about the flap under the shoelaces, that's the tongue.
It is called making a choice or decision.
The thing people used to hang others on was called a gallows.
A citation.
It's called Natron
It is called a metaphor.
It is called a guillotine.
The word you are seeking is syringe.
A square.
The sheath used to hold a sword is called a scabbard.
That is called symbolism, where a specific object, person, or event is used to represent a deeper meaning or idea.
The twisty thing on a safe is called a dial or combination lock. It is used to input the correct combination of numbers or symbols to unlock the safe.
it's called a dopler
sling shot