What are these circular metal things on these stairs? I just hit my knee and goddamn did it hurt.

gbillmire on September 9th, 2019 at 07:11 UTC »

My guess is to keep skateboarders away maybe?

WalkinDude22 on September 9th, 2019 at 07:12 UTC »

Looks like a skateboard prevention device. Keeps em from grinding on edges

Jim_artis on September 9th, 2019 at 07:14 UTC »

Those are skate deterrents https://www.barrettrobinson.com/skate_deterrents__skateboard_deterrents