Make 4 cabinet door knobs from railroad spikes - PEA BB metalworking.sand.knobs

This is a badge bit (BB) that is part of the PEA curriculum. Completing this BB is part of getting the sand badge in Metalworking.

In this Badge Bit you will make cabinet knobs from railroad spikes.  



Minimum requirements:
  - Make 4 cabinet knobs from railroad spikes
  - With a tapped hole to accept a machine screw

Provide proof of the following as pictures or video (<2 mins):
  - Spikes you're starting with
  - Project underway with the tools you're using
  - Finished cabinet knobs

Clarifications:
  - The design is up to you as long as it can function as a cabinet knob and has a tapped hole in it