Freehand you can practically use a stone not much larger than 2" x 3". In fact my method involves very short forward/backward strokes with the blade, not the long strokes full length of the stone. Short strokes = less overall movement, easier to maintain the angle. Obvious really. Try bowing a violin, you'll soon find out the difference large arm/hand movements make.
You can't skew the blade with a guide, you have to present it face on if you want the wheel to spin. Freehand I can present a blade edge on should I choose. It's just a much more flexible system. Guides are very crude in comparison to the workings of the human hands and arms.
You can't skew the blade with a guide, you have to present it face on if you want the wheel to spin. Freehand I can present a blade edge on should I choose. It's just a much more flexible system. Guides are very crude in comparison to the workings of the human hands and arms.