Are you trying to get the most out of the SM-57 with the proximity effect usage?Turns the SM57 into an amazingly clean sounding vocal mix with absolutely no wind sounds.The YOUSHARES Shure SM57 Foam Microphone Windscreen is sure to please. No more PLOSIVES!The SM57 Pop Filter cuts down on wind and other annoying sounds that are not wanted.You can get right up against your SM57 microphone, for whispering, and don't have to be concerned about your P's and T's.Normal talking, singing, and acoustic guitar not hampered at all, even at a foot away from the mic. It can really smoothen out the airy-ness of voices as well as cancel out serious plosives.This foam wind screen is maded of high-density foam?it is easy to install on Shure sm57-lc microphone.The foam wind cover protects your mic from saliva and dust damage.Product Included: 2 x Foam Windscreen CoverColor: blackNotice:Shure SM 57 microphone Not Included.Installation instructions:The foam comes a little squeezed from the package and it may take a day to get back to shape. Of course, it can work great.Carefully stretch the windscreen all the way down your mic's grill until the windscreen is down as far as you want.