Single/multi-choice problem: Which of the following solutions is better for the following goal:
How to sharpen a knife with a sharpening rod?

Choose from:
+Hold the sharpening rod with your dominant hand and stroke the knife toward yourself with your weaker hand, only on one side of the blade
+Hold the sharpening rod with your weaker hand and stroke the knife away from yourself with your dominant hand, alternating the sides of the blade
Hold the sharpening rod with your weaker hand and stroke the knife away from yourself with your dominant hand, alternating the sides of the blade