The song "No Leaf Clover" was not previously released on any album before "S&M". It was also played live during the short New Year's Eve tour. This song was released as a promo and a three-parts single release.

Album:
S & M

A no leaf clover:
As an opposite of the good luck which represents a four leaf clover, a no leaf clover stands for having bad luck.

The subject matter:
It describes an unexpected change from good luck into bad luck.