Necklace to Spike challenge

The Necklace to Spike challenge is a challenge performed attempting to trade from a Necklace to Spike

Release Date
One of the first (and most popular) instance of The Necklace to Spike challenge was a video from Julian2 called "Trading From a Necklace to a Rare Spike In One Day" in which he successfully traded from a Necklace to Spike.

How-To
If you want to attempt this challenge you will need: A jammer will buy a necklace from Jam Mart clothing and trade that necklace for other items. Participants are not allowed to buy any other items as this heeds the purpose of the challenge. A player can choose to say whether or not they are participating in the challenge too.
 * 1) Necklace
 * 2) Good Trading Skills