Create a double boiler by placing a heat resistant bowl over the water. (thehealthyadvocate.com)
Heat the oil until it reaches skin temperature either by creating a double boiler with two bowls of different sizes or by using an oil diffuser with a tea light underneath. (mindbodygreen.com)
I chopped it up into pieces, and created a double boiler with a small pot and one of my favorite glass bowls. (bakingadventuresinamessykitchen.com)