What is the best method for cleaning paint brushes using a mixture of mineral spirits and boiled linseed oil?

To clean paint brushes using a mixture of mineral spirits and boiled linseed oil, first wipe off excess paint with a rag. Then, soak the brush in the mixture for a few hours. After soaking, rinse the brush with warm soapy water and reshape the bristles. Repeat if necessary until the brush is clean.