This is a selective bottleneck tighter than most found in nature. To survive this funnel, a female wrestler must demonstrate:

Only the Strongest Survive the Circle. 🌿🥋

Sarah wrestles in college. The environment intensifies. She faces shorter, stockier women who explode off the whistle. Her long levers become a liability in a tie-up. Sarah must adapt (phenotypic plasticity) or die (get cut). She develops a low-risk, distance-based style—ankle picks and slide-bys. She survives. She passes her techniques to younger teammates (cultural inheritance).