I am posting this here rather than in the wickless category because I am needing help on this wax formula rather than a wickless specific question. I make chunk melts. I use a soy wax, a hard paraffin and a soft praffin. When I go to cut my chunks, they break off in brittle pieces. I would love to be able to cut these chunks smoothly and cleanly. Is there something I can add to my mix to accomplish this? Do you think coconut oil or crisco would do it?