1.   He says he quit looking at the leader board down the stretch because watching too many players would have cluttered his mind to the breaking point.

2.   His mind had been cluttered with a hundred questions, but the sight of the country emptied it.

3.   I try to kick freely, meaning my mind is not cluttered.

4.   My mind is not cluttered at all.

5.   Because memory is so vulnerable to suggestion, minds get cluttered.