MISSING LINK XXXIV

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. Wood..........Short..........Under
2. Shadow..........Toy..........Suggestion
3. Price..........Name..........Dog
4. Express..........Dedicated..........Offensive
5. Fish..........Hair..........Safety
6. Step..........Kick..........Track
7. Throw..........Prayer..........Persian
8. Up.........Down..........Cushion

Answers:

1. Kinds of cuts
2. Kinds of boxes
3. Kinds of tags
4. Kinds of lines
5. Kind of nets
6. Side
7. Kinds of rugs 
8. Pin