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Trainer Chris Cerino demonstrates how he uses a laser to dry fire/live fire to learn the trigger on a new pistol, using Crimson Trace's CMR-201 Universal Fit Rail Master laser. Find one at https://amzn.to/3jqZGI9.
Trainer Chris Cerino offers a few suggestions on carrying and training with a small gun, demonstrating with the Ruger LCP II. Find yours at https://snp.link/4da4f998.
SureFire's Andrew Wright discusses the benefits of using a weaponlight on your carry gun.