Facesitting Dom

If I have chosen a slave as a seat cushion then he must endure quite a lot. Now this slave is in for extensive testing, where I will sit on his face in my denim pants. He tries to do a good job and dutifully holds his breath for me. Sometimes I am careful with him and sometimes not so much! I sit on his head and press my full weight on his face with my outstretched legs over his chest!