"It's actually not a scary as it looks." Arya pointed over at the wall that many other students had passed through earlier. "You just have to walk straight into that wall, and you'll pass through the barrier and onto the platform." Their platform, where the express was waiting. She looked back at the girl. "It's better to run if your nervous." Hm. "I can go first if you like."

Examples were good, yes? And she would wait on the other side too, so the firstie would know she made it through successfully.