Related Clues:
- It's below the mantle
- Bodybuilder's ''washboard''
- Washboard at the gym
- Focus of stomach-crunching
- Central part
- Stabilizer muscles
- Geological sample
- They look better after crunching
- Muscle Beach sights
- Heart and soul
- Crunch targets
- Delicious leftover?
- Middle earth?
- Granny Smith's heart
- ___ of Steel (video classic)