Replying to Need Help with kink rail

ok so its my first year freestyle skiin. i have gotten down grindin regular flat rails and slant rails with out a kink in them. yesterday itried a kink rail for like an hour an all i accomplished was kickin the shot out of my self. my ribs feel like shit and my hip is all blue and purple. i was gonna ask fopr some help from the guys on my mountain but everytime i would try it the would like laugh amongst themselves and then do it and ski off as i was hkin up. all my buds are snowboarders too. so i was jus wonderin if any one on here could give me some poointers on hittin up a kink rail that starts flat then goes down then is flat again. thanx for any help.