<human>: Here is a goal: How can I fix a knife that is dull or has a chipped blade?

How would you accomplish this goal?

OPTIONS:
- Using a whetstone, place the knife at a 90 degree angle on the stone and cut into the stone. Repeat this cutting motion for about 6-8 times, and then clean the knife properly.
- With a whetstone, place the knife at a 20 degree angle on the stone, and draw it back towards you in a cutting motion, as you move the knife down. Repeat 6-8 times for both sides of the knife.
<bot>: With a whetstone, place the knife at a 20 degree angle on the stone, and draw it back towards you in a cutting motion, as you move the knife down. Repeat 6-8 times for both sides of the knife.