Netzke seems to ignore this. It does respond if I add a :default_value to the hash on [line 40](https://github.com/spacemunkay/velocipede/blob/f34def2c09a669c8e260d2484a08478b62bf3424/app/components/user_logs.rb#L40), but is that the right way? I'm not having much success finding documentation.