Almost got it. Just a little further.

Sprite slid the blade of the knife just a little deeper behind the access panel. She’d already gotten a good half inch open. But if she could just get it a bit further, surely the remaining internal clasp would loose.

But a bit too much pressure and the blade broke off. Sprite cursed, tossing the useless handle aside.

The machine tromped onward, randomly switching course, and Sprite had one more shot. Kicking her leg up, she dug deep into a pocket near the bottom of her pant legs and pulled out a screwdriver.