when making the knex circle ball machine by i_am_canadian, what does he mean by "hinges" in the parts list?

on the second step he sais you need hinges in misc, but i dont know what piece hes talking about. please, please, please help

Killersafecracker posted a photo of one, but next time, just ask me or whoever the author is.
DJ Radio8 years ago
What Killer~safecracker said...
Here is a picture of a hinge.
Kiteman8 years ago
Have you tried posting this question on the project in question?