The offering of water on shivling is called "Abhishek". When the water is offered in a continuous flow on shivling with chanting of vedic mantras, it is called is called "Rudrabhishek". . We should do abhishek with - - juice of sugarcane for Laxmi, - honeyfor money, - with milk for son, - if, we want to remove trouble from our life. - with continuous pouring of water. - with ghee for vansh visthar, - with mustard oil, for enemy trouble - And with ganga water for moksha, this is told in shastra also. If, we do abhishek with one of these the great god shiva will fullfill our all wishes. Listed above is a Laghu or small procedure to perform the abhisheka ,the actual Rudra abhishek involves a much longer procedure..