An article on a relatively new technique where darker grains are steeped instead of mashed to reduce astringency:
http://www.beersmith.com/blog/2011/11/17/brewing-beer-with-dark-grains-steeping-versus-mashing/
Cheers,
Brad
http://www.beersmith.com/blog/2011/11/17/brewing-beer-with-dark-grains-steeping-versus-mashing/
Cheers,
Brad