“The Wrecking Crew” film showcases a tiny handful of musicians who wound up playing on a whole bunch of songs. How you can use these same tricks to be the first one called to a storm?
 
Mastery, it is said, takes 10,000 hours,  but you might be surprised in just how far you can get in only one week. 
Definitive answer to “where do I start a dent” and why the myth still lingers on. 
Tool Recommendation: Edge Jack by Shane Jacks
Drilling for PDR access? Yes, No and the history of how it even became an issue at all.