Heather figured it was a lot like riding a horse, you moved with the feel of the... animal, rather than what was actually ahead of you. She was ready to shift when he did. Even if she wasn't actually looking. Her front, against this back, it was a little hard not to tell by muscle shift alone where he'd go.
"Oh yeah. This is..." She pried one set of lashes open. "It's pretty amazing!" She hollered back.