I just used the burlap,carpet, 2 layers of cotton and the cover was padded with 1/2 inch of foam also. Did not use felt. It is firm, but it feels good so far. The LMC cover fit like a glove, just few creases that I need to work out. Thanks for the compliments. Eric

Last edited by elm (51 Basket case); 02/05/2010 1:20 AM.