VK can be worn in any hand. It can be hanged around the neck with any thread of any color and thickness. If you want to wear it around the neck, you must choose a solid thread so that you don’t lose your VK, so that it does not fall off and you lose it.
You can also use solid metal like gold, silver, and artificial chains too. You can also use a mala/rosary like a Rudraksha, Crystal, Moti, Chandan, etc.
VK activates ALL the chakras as soon as you wear it. Some VK users love to wear VK close to their heart chakra. They say that it energizes heart and heart chakra. They feel peaceful and strong.