What is a clean hand in mahjong?

What is a clean hand in mahjong? A CLEAN hand is one that uses tiles from no more than one suit – and has some winds or dragons as well. This “clean” hand has dots only (no craks or bams).

A CLEAN hand is one that uses tiles from no more than one suit – and has some winds or dragons as well. This “clean” hand has dots only (no craks or bams).