Bringing copper Trishul (trident) on Shivratri and installing it at home has numerous benefits. Here is a brief guide on how to install Trishul at home on Shivratri. How to Install Trishul at Home? Get a copper trishul (Any size – preferred material is copper – you can use one with or without damaru (hour glass drum)). Wash it properly with water. Light lamp using cow ghee with one wick. Offer white color flowers and bilva leaves. Offer dhoop and Karpoor (camphor). Offer Bhasma. Offer white color sweet and later share it with family members. Install the Trishul in the living room. Benefits of Trishul at Home? It helps in keeping out all forms of negative energy. Alakshmi and misfortune will not enter the house. All enemy activity will be defeated. Rahu and Ketu will not enter the house. Trishul helps in nullifying the effect of Vastu Dosha.