And it was too strong to break; thus far she had not torn a single strand.

His hair was perfect; not a single strand could be seen out of place.

And the single thick strand of rope was enough to keep her in one place.

Put your hand on a single strand and you send shock waves through the whole situation.

But she couldn't see even a single strand of hair.

Only a single strand of meat held it onto the body.

Then he showed his next trophy, a single strand of black hair.

A road on which we balance, following a single strand.

The web had become too tangled to ever separate single strands.