I usually carry 3 knives but sometimes if I am playing with a new knife it will end up on me as well. I have one inside my left pocket that acts as a money clip, one clipped to my right front pocket, and one carried IWB @ 1 o'clock. If I happen to bring along the 4th it goes in my right back pocket or IWB @ 4 o'clock. Part of the redundancy is so if one hand is full or injured I have easy access with the other.
The money clip folder has been a Spyderco Salt 1 for most of the year except a Native was in there for awhile when the Salt 1 was dull.
The RFP has been my multicolored G10 Benchmade Rift. I think it has been there and my favorite folder for at least a year and a half. I just got the LE M4 version and haven't decided if it is going to replace the 154CM version or be rotated in the IWB spot.
The IWB is one that I rotate:
Spyderco Stretch CF/ZDP
Spyderco Manix 2 CF/S90V
Spyderco Caly 3 CF/ZDP
Kershaw OD-1
Occassionally one of the following will get carried:
Kershaw Lahar
Spyderco D'allara drop point
Mini-grip
A few I'm sure I am forgetting
Yes I do have a problem


. I also carry everyday a Ruger ti .38 Model 85 (?), a leatherman micra, BIC lighter (don't smoke), chap stick, pill fob, change, and keys with a swiss tech mini pliers and mini sharpie attached, a AKOray 106 light or sometimes my Fenix P2D, my wallet, and my cell phone which is a Samsung Moment touchscreen w/ google android (has built in GPS, 3.2 megapixel camera, and 3G internet)
Edit: I am waiting for when I start carrying a backup pistol. I have a Kahr MK9 but it is too heavy. As soon as I can track down a Kel Tec 9mm with the pocket clip attached I will probably carry it in addition and probably IWB so I might have to move the knife.