boy
The word is strand. It means a string of pearls that could be worn around the neck.
Bib aprons are aprons that are worn around the neck like a baby bib. It covers the chest area down. There is a strap that goes around the neck that hold the apron up. You can see example of bib aprons at the following link http://www.universityfashions.com/aprons/bib_108.html
Kimono
Veil, vest, vestment (worn by clergy during a ceremony), V-neck sweater and visor are clothing items.
Cover
tie
scarf
a tie
tie
necklace
tie
A necklace
The answer to "neck is to scarf" is "waist is to belt." Just as a scarf is worn around the neck, a belt is worn around the waist.
scarf
Typically, an ascot is worn around the neck.
A wimple is a cloth which covers the head and is worn around the neck and chin, worn by nuns in certain orders.
If you mean something from Polynesian culture, they are sometimes worn as a good luck charm, a pendant around the neck