What's so special about this oil softener? The answer is in the hand selected batch of natural badger bristle and the mounting that is a replica of the essential Water Softener. The oil badger has eyesugh spring to move the hard setting glaze (slow-drying acrylics), but soft enoug to not leave any brush marks. Use this versatile brush for your largest walls, ceilings, etc. - save loads of time with this workhorse.