His grip slackened and she stepped back, closing the door behind him.

Suddenly, Oliver felt the strong grips of the demons slacken.

The impact flung the boy behind him forward and for a moment his grip slackened.

His grip slackened and she took the opportunity to tear away from him.

The man's grip slackened some, but the knife still dug into her throat.

His grip on the reins of power had not slackened for one minute.

He did not let her go, but his grip on her slackened.

The next wave broke over her head, but his grip never slackened.

His grip on my arms slackened, and I managed to wrench myself free.

The man saw and his grip slackened enough for the woman to pull away.