Have him take them off? That’s usually how my partners and I handle us wearing glasses

Unless you’re indigenous, then there’s a risk…

I’m in this picture and I don’t like it.

I mean, all of the moving parts involved outside of the friction brake portion do usually need lubrication. Usually a silicone or molybdenum based lubricant depending on where it’s used. I use silicone for the slide pins inside the caliper and moly grease for between the pads and the caliper brackets and backing plates

Brother, you need help