Discussion on current events in karting, racewear talk, karting fitness talk and anything else that doesn't fit into the other categories. Also the place for new karters to ask questions about getting started in karting.
They're mainly designed to protect the brake disc.
I haven't seen the kind you've posted, but I'm sure they could be made locally.
I know some of the softer karts could use them - especially when coupled with a heavy driver and/or a bumpy track. Would extend the life and resale value of the frame.