Trying to stop my gear from sliding around - any recommendations for belt keepers?

I have an Alien Gear holster and mag carrier, which I wear at 4:00 and 8:00 on a 1.5" wide leather gun belt. Depending on which pants I'm wearing, one or both of them will tend to gradually slide towards my spine throughout the day.I was thinking of getting a few belt keepers like this one to fill the space between the holster clips and the nearest belt loop. Almost everything I'm finding is sized for 2.25" police duty belts, though.Does anyone know of any belt keepers or other spacers that will work well here? via /r/CCW http://ift.tt/2jtchQN