Please excuse the lay terms that will follow. I have been doing some reading on "magnetic shielding" and have come across alloys such as MuMetal which have high permeability and so can block interaction between two magnets. My question; Is this inhibition of interaction between the two magnets a result of their attraction to the MuMetal? Will they stick to the MuMetal sheet now instead of being attracted or repulsed to each other? If so, are there any materials that will block interaction between two magnets but still not attract them?