expression, noun
security blanket; comfort object
Refers to a physical object (often a blanket) that provides psychological comfort, especially for children. Also used metaphorically for anything that gives a sense of security. Originates from the Peanuts character Linus.
彼はいつもライナスの毛布のようにそのぬいぐるみを持ち歩いている。
He always carries that stuffed animal around like a security blanket.
その古い日記帳は彼女にとってライナスの毛布のような存在だ。
That old diary is like a comfort object for her.