The Craw Summons is one of many mysterious items that you'll encounter in Hollow Knight: Silksong's later Act 3 section, but it's important if you want to gather all of the mementos for your Bellhome, or you're simply scouting around for endgame challenges instead of beelining straight for the final boss.
You might remember how, ten or twenty hours back, you fought a positively painful gauntlet at Craw Lake in Greymoor. Well, it seems like the birds want a rematch, and the Craw Summons is how you access it. I'll explain the likely conditions for spawning the Craw Summons and where exactly you'll need to use it to bash some birds again.
