Heron Lake Plateau Rivets and screws.

Thankfully, Rye heeded her command, post-haste. Towhee grunted as he tugged her into his grasp, then groaned loudly at the intrusion. She had never done anything like this before, had never even had much of an interest in it. And any time she'd considered trying it—mostly when she'd watched Phox and Camilla go at it—she'd worried about the weird state of her bits. But apparently they were a nonissue, at least for Rye, who was now moving against her like he meant it.

She didn't even notice Poe's interruption until Rye barked a warning at her. Towhee looked up, eyes burning with thirst, but she didn't say a word. She honestly didn't care at all that they had a witness. She'd stood and watched her brother and his wife do this all the time. They were wild animals, for crying out loud. This was natural. Although maybe the fact that Towhee actually derived even more pleasure from Poe's unintentional voyeurism was slightly less natural...