Appendix carry violates the “Don’t point a gun at anything you don’t want to destroy” rule.
Not a problem for me....I had my appendix removed in August, 2005.
A Glock 23 with a mic holster is safe for mexican carry. The trigger is covered until you draw the pistol away from your body.
Go to 4:50 for explanation:
https://www.youtube.com/watch?v=MDCi2yqcIc0
I don't have an appendix, so I should be OK...