Mechanistic Finetuning of Vision-Language-Action Models via Few-Shot Demonstrations. - Chancharik Mitra; Yusen Luo; Raj Saravanan; Dantong Niu; Anirudh Pai; Jesse Thomason; Trevor Darrell; Abrar Anwar; Deva Ramanan; Roei Herzig (CoRR, 2025)