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I really don't like those eliminator tongues. They're basically a Band-Aid for a pretty poor boot fit.
The long and short of it is that if you have room in your boots for eliminators then your cuff is too big.
This either happens because the boot fit is just terrible, or you have a relatively high-volume foot combined with a low-volume calf (chicken legs, afflicts lanky people with high arches) and ended up with a boot with enough room for your foot but far too much for your leg.
Have you tried just doing your cuff buckles up as tight as the buckles will allow? If you move the buckles to the last hole and then do them up all the way and you're still not tight then they're the wrong boots for you. A good friend of mine went through this situation, tried booster straps, spoilers, Eliminators... in the end the only thing that solved it for him was getting a new boot with a narrow cuff and getting the foot blown out to fit. It's relatively easy to make a boot larger, making it smaller is tricky.