Willow looked over, saw she was blushing and smiled a bit, glancing down at Kristen's hand briefly. The thought occurred to her that maybe this girl wasn't quite as straight as she appeared and she just raised an eyebrow.
"Well, it's sort of a spell, non-verbal but still a spell. Basically the same as your...appearing thing, only without the funky squeeze motion> Sometimes a dizziness, but that's about it."