It's a unique way to make an image, in that your visual vocabulary is limited to strictly black and white - none of the greys that can be achieved with a pencil are possible. I mentioned above that many of the crucial decisions about the image are made while cutting the block - maybe here you can see why. Without a range of values, the direction of your cuts, their distance from one another, and the width of the lines becomes extremely important. I enjoy the challenge of working quite small, as it magnifies and celebrates the inherent difficulties of this form of image-making.