Cerulean Cape there's your obstacle.

Maia had no reason to stop him. She'd been eyeing it for the same reason, but fortunately, Penn had decided against "ladies first".  She winced as the thing clamped down on his nose and took a quick step backwards, to avoid any of his frantic flailing.

Oh!! Oh shoot, hold....  She wasn't experienced enough to know how to remove it aside from the good old "yank and hope for the best" approach.  Here.  She inched forward and eyed it from behind, then bent down and grabbed hold of the thing.

It's legs immediately began to scrabble into a super awkward feeling way, and she felt her teeth slide before catching hold and clamping down on the rough shell.  Puuu she mumbled, tugging lightly back as if to demonstrate.  This was a very, very bad idea... but unless he had a better one?