buddy system

Use the buddy system and never go alone into the city.

Not the most natural of buddy systems, but he wanted to keep an eye on her.

If a famous name doesn't work, there is always the buddy system.

I want everybody to match up into the buddy system.

In addition, teams should use a buddy system so that players can keep an eye on one another.

Too bad we weren't searching level five using the buddy system.

You should trash with a group using a buddy system to keep track of each other.

Groups with more than three divers are not using the buddy system.

Suggest that you stay in touch regularly, like the buddy system.

The "buddy system" was encouraged whenever students went out at night.