He felt the pressure and guessed what it was - a black thread of some strong material.

One of them held a silver needle with black thread on it.

A black thread is used to wear it as a locket.

The black thread looked obscene but that couldn't be helped.

But all he could sense was a fuzziness around the black thread.

Apparently Mama thought the black thread was not enough punishment.

But don't be misled into thinking the black thread was an ominous sign.

Right before discharge from the army they often use black threads.

Jacob was like a black thread on a white background.

You may be able to make out a black thread from a white in this, but it isn't day yet to me.