falling is part of skateboarding as are the cuts and bruises that come with it. with that said, if you learn how to fall correctly (something surprisingly few people know how to do) bad injuries will be extremely rare. slamming is honestly one of those things that is easy to build up in your mind and then when it finally happens it's not bad at all.

https://www.youtube.com/watch?v=LxRHTr_PkOU

https://www.youtube.com/watch?v=3-W7pl1uYcM

as a general rule, speed is your friend.

>go fast

>lean forward

>stay on top of the rail

and most importantly:

>commit