I find something that says Glock and stick it in my waistband.
This.
Usually it will be a glock 19 with a spare mag or two. It will get you through the night.
Dink
Pretty hard to beat! I'm not a 9mm fan, and I much prefer my Glock 32 in .357 sig caliber to a Glock 19, though. But the Glock 19 is easier and cheaper to buy ammo for, and has less recoil for those who are recoil sensitive.