swaddling clothes

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun plural Strips of cloth wrapped around a newborn infant to hold its legs and arms still.
• noun plural Restrictions imposed on the immature.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A garment, made of strips of cloth, used to bind an infant and restrict movement of its limbs
• noun idiomatic An early period in development, infancy, the beginnings of something; inception.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun restrictions placed on the immature
• noun a garment (a gown or narrow strips of cloth) for an infant