"Mature" free soloists typically prioritize mental mastery over raw risk-taking:
Using a hangboard to "crawl" fingers between holds can build functional strength specifically for the wall.
Advanced climbing often relies on maximizing contact with the rock through specific thumb engagements:
A popular "6-minute protocol" involves 30 seconds of finger rolls and extensions followed by 10-second hangs on large holds to load connective tissues without causing fatigue.