Replying to Can you skate an aluminum rail?

Right now I'm thinking about making a ledge to skate in my driveway that would be quick, cheap and portable. I'm thinking I could used 20ish cinder blocks that are liquid nailed together, with a piece of angle iron on top. I know with skiing that aluminum rails are known for being super sticky and basically only hittable with edgeless skis. Y'all know if it would be the same for skate trucks? I can get a 8ft piece of angle iron for like 10 bucks, so it seems like would be the cheapest option. Anyone have any experience with this?