This step by step Instructable shows you how to make with your bare hands from a bicycle spoke a multi bit wood drill.
The video is shown here:
Step 1: Tools and materials
Step 2: Make the bicycle spoke ready
Bend double, try to make a bent like shown in photo 3. A spoke is not easy to bend, use all of your strength. Bind the rubber strip around the loop; see photo 4. Now bend out both ends; see photo 5.