MISSING LINKS XVI

Each trio of words below shares a Missing Link - that is, its members have something in common, obvious or not. For example, RIVERS, NOSES, & VIOLINS can all have BRIDGES.

1. Black..........Red..........Yellow
2. Mind..........Video..........Board
3. Lucky..........Tough..........Clean
4. Moon..........Pool..........Dice
5. Down..........Tech..........Key
6. Tourists..........Elephants..........Trees
7. Bull..........Fountain..........Pig
8. Mouse..........Music..........Cousin
9. Gate..........State..........Handshake
10. Quartet..........Theory..........Bass

Answers:

1. Names of Seas
2. Kinds of games
3. Kinds of breaks
4. Things you shoot
5. Low
6. Things that have trunks
7. Kinds of pens
8. Country
9. Things that are golden
10. String