Can't fetch data from relation table in laravel 5.5

whene i am trying to get data from the other table by seting the relation i didt get a value

$customersFeedbackList = \App\coustomer_feedback::all();

    foreach($customersFeedbackList as $feedback){

    echo ($feedback->coustomer_id);
    echo ($feedback->customer['name']);
}

here is my model

via Chebli Mohamed