I'm not sure oatmeal would have the effect, but I suppose it couldn't hurt to try. I can't think of any major dangers to it. I think play sand would be considered safe, I know chinchilla sand, crushed walnut bedding, and something else (some kind of reptile sand, I think?) have all been tried.
~*~*~ Kelsey ~*~*~
RIP my sweet Lily ~ 6/12/08 - 1/20/12