<human>: How would someone go about accomplishing this goal?
How to drill holes into your bike gear?

OPTIONS:
- Take your bike gear pieces and drill a hole into both sides of the piece. Chisel down the edges.
- Take your bike gear pieces and drill a hole into both sides of the piece. Hammer down the edges.
<bot>: Take your bike gear pieces and drill a hole into both sides of the piece. Chisel down the edges.