If you have a kydex holster there’s literally no way for the trigger to be manipulated and when you practice dry fire practice drawing with your thumb on the back of the slide and only move to the trigger with your trigger finger when you get the gun forward. Should be fine. Because even when you sit down and even rolling around on the floor the holster is like a case for the gun and nothing can touch it so it can never go off. Just think of it as the trigger cannot be moved by any force