Found this recipe for Mechanics Soap. I've never used it but thought that you might want to try it. Here is a link to TDF with all of the instructions. http://www.todieforsoap.com/soap.htm#Mechanics HTH-Mashala Castor Oil 3.5 oz (5.47%) Coconut Oil 76 16 oz (25%) Palm Oil 16 oz (25%) Tallow 16 oz (25%) Corn Oil 12 oz (18.75%) Beeswax .5 oz (.78%) Total Oils 64 oz or 4 lbs. Lye = 9.25 oz (4% supperfat) Distilled Water 20 oz Sugar 1 TBLS Salt 1/2 TBLS Coffee Grounds 1 tsp Corn Meal 1 tsp