From the Etsy page for a "Weird Renaissance Boob holder" ($16.95 plus $5.25 shipping and handling):
Costume enhancer for renaissance festivals or any costume. Place creatures hands in between your breasts and see all the attention you will receive at renaissance festivals. On Etsy you will find these and more on my web site: www.thefairyvillage.com
Everyone needs an extra pair of hands.
Further reference: Renfaireboobs.com