[TR] Silent blocks?

[tom white]

3) Replaced the "Silentblocs" with free-turning pivots.

I have seen these mentioned several times.  Forgive my ignorance but what are
they, where are they, and what is their function?

Thanks.

Best regards,
Tom
_________________________________________________________________
Climb to the top of the charts!  Play Star Shuffle:  the word scramble
challenge with star power.
http://club.live.com/star_shuffle.aspx?icid=starshuffle_wlmailtextlink_oct