[Applejack happens to be close enough to hear that shriek, and once more recognizes it almost immediately, galloping towards the source.]

Rarity! Are you okay-WHOA NELLIE! That's a lot of spiders!

[Applejack looks around for something to help get the spiders up, but isn't spotting anything obvious. She runs up to Rarity and takes her hat off, using it to start knocking off the spiders.]

Hold on, Ah'll get them off ya!