security blanket. Imparts the power of invisibility. Also impervious to vampire attack. The blanket can be worn up to the neck and still give complete protection, due to a forcefield that projects up over the head. Helps you sleep.
Also the name of a member of the superhero team, the Flangetastic Four.
" I wish we werent camping on this old indian burial ground."
" Im not worried, I brought my blanky"