Related Clues:

• It's hard to be made so skeletal
• It's hard for 8 across to have got this
• It's got to be hard
• In a way hard to get if one does what is inside
• Hard? If so, Des and I made it so
• One may die if SOS is made so hard
• Does be around if is hard
• Turned into stone
• Huge problems ultimately if one editor is rigidly conventional
• Showing signs of immobility? If so, dies horribly
• Turned to stone
• Work of side is rigidly set in ways
• Fossilised, petrified
• Turned to bone with age
• Made rigid and set into a conventional pattern