I know you all love your H bags (those of you who have them, not moi), and I really hope that one day I will get to experience them too (I've decided when i'm 35, so in 9 years). I've found a really interesting blog detailing how an H bag is made. Enjoy!
http://searchingforstyle.com/archives/10965/
http://searchingforstyle.com/archives/10965/