A President can name a tough chief of staff, but he needs to keep him on a tight leash.

Their divisions must be kept on a very tight leash.

Those who get the cash are kept on a tight leash.

The few foreign visitors are kept on a tight leash.

Keep the customers on a tight leash and they will spend money with the provider.

However, I intend to keep quite a tight leash on you.

But of course they are not historians, and we have kept them on a tight leash.

Anwell has no friends and is on a very tight leash.

And Washington's bound to keep him on tighter leash than he wants personally.

"I think we need to keep your wolf on a very tight leash."