Chapel Perilous has taken its toll on me and indeed, my cosmic trigger finger is broken. For readers not familiar with Chapel Perilous I will give Robert Anton Wilson's definition of that god forsaken place. In researching occult conspiracies, one eventually faces a crossroad of mythic proportions (called Chapel Perilous in the trade).
Keep wood chisels razor sharp for building cabinet doors. A good set of chisels helps clean up and fine tune mortises and tenons or remove a bit of wood anywhere you need to, such as the ends of panel grooves in door frames. A chisel set and mallet are essential woodworking tools.
Drill the Holes. Once you know where you want the handles or knobs to be installed, holes need to be drilled for them. Use a drill bit that is the same size as the screws being used with the knob or pull. Drill from the front of the cabinet toward the back.