Excaliber wrote: When you finish your business and need to reassemble yourself, you may find you have only two hands when you need 3 - 2 to pull up your pants and secure your belt, and one to hold the gun.
Don't even think about trying tricky stuff like tucking it under your chin until you get the belt buckled. A little thought here goes a long ways.
Here are three possible techniques that may work for you, with caveats:
1. Empty one of your side pants pockets (or coat pocket in the winter) of everything and put the gun in the pocket until your pants and belt are resecured, then replace the gun in the holster. This only works if your gun fits all the way inside the pocket. If it doesn't, you risk an attention getting drop to the floor upon which it may skitter out of the stall, and even a possible negligent discharge with certain types of guns.
2. Take a deep breath, clear everything else from your mind, and put the gun on a flat surface like the toilet paper holder or toilet tank. Then pull up and secure your pants, and immediately put the gun back in the holster. The trick here is to keep your mind focused only on the task at hand. Allowing yourself to think about anything else at this point can easily result in leaving the gun behind with lots of trouble that will find you in short order. Think that can't happen? It already has - lots of times!
3. Put the gun inside the briefcase or shopping bag you brought with you into the stall before you sit down. After you've got yourself back together, bring the container up to waist level so it's out of view from outside the stall and remove and reholster it. Keep your wits about you if you go this route - if you allow your mind to wander, it's entirely possible to leave the bag or briefcase and gun behind. The risk of this increases with age (don't ask me how I know this), but it can happen to anyone.
Working with an IWB I've found it works just fine to drop your drawers and reassemble your belt just above your knee caps. Keep a senator style wide stance to keep it tight if need be. Holding onto the closed belt while slightly standing up to wipe keeps that issue in check. Case closed.