Some invisible power held it down with an iron grip.

He took an iron grip on himself and his emotions.

His managing style is known to be under the iron grip.

But those who think she has an iron grip on the nomination make a strong case.

Its iron grip on the doctor's arm stopped him from leaving.

He had both hands in an iron grip over the guard's throat.

We fell to the soft ground, and he held me there with an iron grip.

An iron grip held him balanced between life and death.

But even his two hands couldn't loosen the iron grip.

The fat one took my arm above the elbow in what he must have felt was an iron grip.