hold tight

Hold tight and not sell till you have had a chance to look matters over on the ground—not from a distance.

You just hold tight on to yourself, and think out something cleverIm sure you can, convincingly.

Whispering him to hold tight, she clambered out of the window.

The angrier our cocher became the more frequently he was told to put on his brake and hold tight to the reins.

Betsey, there's more than one; hold tight and try to count 'em.'