Sorry for a noob question but what are this blobs? I just have Ipsw restore file downloaded from apple while ago. Also what does redsn0w release?
I would respectfully suggest that you read our sticky threads in the Hacking Section and use the search features of the forum. These subjects have come up many many times in the past!
Start here - http://www.ipadforums.net/ipad-hacking/59291-shsh-blobs-faq-new-improved-2012-a.html
Here - http://www.ipadforums.net/jailbreak...01-how-save-your-shsh-blobs-tinyumbrella.html
Here - http://www.ipadforums.net/jailbreak...ow-use-redsn0w-0-9-9x-its-full-potential.html
and here - http://www.ipadforums.net/ipad-hacking/24377-jailbreaking-methods-ipad.html
Happy researching!