Related Clues:
- Tissue under rind of citrus fruits
- The white inner skin of an orange
- Mine has hard centre
- The important part - but not of an orange
- Soft tissue; essence
- Marrow (of plant)
- Heart that's hollow and hard
- Quarry with hard core
- Essential substance
- Most vital part
- Hang first picture at home of essential businessman with a different character than usual
- Sales patter giving away cold substance
- Hard piece of advice taken wrong way, in essence
- __ helmet (safari wear)
- Significance of the eighth hole?