Unknown Parts in Toolbox

Good morning all! I just set up my Snapmaker 2.0 A350 and there are a few parts that I can’t identify in the toolbox. There is a small bag of silicone plugs that I didn’t see referenced in the instructions anywhere. There’s also some kind of metal angle bracket with a hinge and a limiter made from a bolt+spring combination. Does anyone know what these are or what they are used for?

Plugs are intended for retaining pieces on the laser workspace, although they don’t work as well as tape. The other thing is a maintenance tool for tightening the steel strip covers on the linear modules, there’s a video showing how to use it.

Around 4:50 in


Perfect - thanks Brent!