And if I were you, I'd try for a more effective shield or do something about my reactions.

As a decorative piece it would not have been an effective shield in combat.

With measured strides he kept the woman close beside him, using her as an effective shield until they gained the little flight of steps.

Security cooperation between the two sides in the mid-1990's provided an effective shield against terror.

The detainees formed a thick and very effective human shield.

It was hard to tell if it made an effective shield.

Defensive measures were provided by a simple but effective ballistic shield.

Looming over all those worries are doubts that the proposed technology could actually function as designed and provide an effective shield.

But one's imagination is rarely an effective shield against reality.

Perhaps a magic shield more effective than those he knew would help.