Topic: Doubling up on windscreens

[seekup40]

So say i have these windscreens right now

http://www.soundprofessionals.com/cgi-bin/gold/item/SP-GNA-3

And a buddy of mine has some that are even smaller that would fit inside, would the sound get muffled if i would to double up on windscreens?

im taping DMB at spac this weekend and there is supposed to be thunderstorms and strong wind

thanks for any help
Chris