Question: To cut a hole into the bottom of a can.
Option 0: Use a step drill bit and a drill to drill a hole into the bottom of the can, widen the hole by biting off the metal around the edge of the drilled hole.
Option 1: Use a step drill bit and a drill to drill a hole into the bottom of the can. Use the same drill bit to widen the hole until the hole is the desired size.
Answer: 1