The witness was given 'blanket' protection from prosecution. [=the witness would not be prosecuted for anything]
The job was her 'security blanket'. [=the job was the thing that made her feel safe and secure]
A 'blanket' of gloom spread over the crowd when they realized their team would lose.
(..) Seriously? Yep. It's a head scratcher but... that's what we got. -So we make our beds in the morning, before they count. -No. You sleep on top of the bed, with the blanket over you. What if I want to sleep in the bed? Look. You can do what you want. You want that? Be my guest. (..)2013 TvShow: Orange Is the New Black Title: I Wasn't Ready Season: 1 Episode 1