- December 7, 2018

video

https://en.wikipedia.org/wiki/Necklace

https://en.wikipedia.org/wiki/Necklace_splitting_problem

https://en.wikipedia.org/wiki/Necklaced_spinetail

https://en.wikipedia.org/wiki/Necklace_(combinatorics)

Amazon.com: black necklace cross

Black Cross Necklace | Neiman Marcus

necklace cross black | eBay