Fun little story about this stop pin: our mailman's name is Chris. He's a boss. I handed him the Lander for a few weeks to test drive it and provide feedback. Well, he recommended we stick those little nubs on the end of the stop pin to prevent it from falling out during disassembly. And you know what? We did it. That Chris. He's the man. In fact, he'll be the very one to pick up this replacement part in his sweet mail truck and send it your direction. I guess you could say this Stop Pin begins and ends with Chris. Make sure you say thanks the next time you see him out there delivering the mail.