It doesn't have standard "flip and turn" metal closing flap, but a cheap solution which is not practical. The metal was so stuck in the beginning I leave it out now. It's definitely a cheap production choice and fail imho.
If you need a fluent running metal closing part, this is not your hopper
Hmm expensive but not Coffee Hits fault, fits the grinder spot on as you would expect and looks more 'normal' in a home environment.