How to use a Leica - A Practical GuideK. Praslowicz
Step 1: Acquire Leica and secure loose bits
Step 2: Find an environment with active human engagement
Step 3: Proceed until something is busted and blood has been drawn
Step 4: Enjoy the results
Step 5: Repair your Leica
Step 6: Return to Step 2
So maybe this isn't the most practical way to use a Leica camera, but it is the way I used mine for a few years.