How do you roll your Rs?

I'm about to kill RosettaStone.
Apparently since I cannot roll my R's right, it keeps saying I am pronouncing corre, majuer, hombre, etc. correctly.

D8
HELP

For Spanish? Move your tongue up and down.

Defy wrote:

For Spanish? Move your tongue up and down.

All that does is move my tongue up and down.....
then I can't really say anything

I can do it with a retainer............

YouTube - How to Roll your R (For a native English speaker)

in other words vibrat ur toung in ur mouth when saying the r

flick it against the roof of your mouth.

it doesnt work D=

i guess ill just practice every day