I helped 2 of my BP's shed.
Nag was about 4 months or so when I got him, and his first shed with me was BAD! it took me 7 days and a pair of tweezers (and a very tolerant snake) to pick off everything that got left on
Nagaina had a bad shed a few weeks ago, and once again I sat down with her and some tweezers. she wasnt so tolerant as Nag, but she wasnt as bad as he was either. took me a few days with her as well.