1.   A child wears one in a special vest while the parent carries the other.

2.   A special vest can take the place of hand-held pumps for breast-feeding mothers.

3.   During a match, each person wears a special lame vest.

4.   Each person will have his or her sleep monitored at home, using a special vest worn over the chest.

5.   For the first several years, the abrasive limestone of the Hellshire Hills quickly destroyed the special vests holding those transmitters.

6.   He also wore a special vest that allowed him to practice running in the water.

7.   The device, called the Kantrowitz CardioVad, is attached by a tube to a paperback-size battery-operated unit Doyle wears in a special vest.