repeat it as many times as needed. have some sheets handy to dispose the waste off. if needed, add some hot boiling water after using snake. in certain cases, you may have to use vinegar and baking soda solution after using snake.
read in detail: how to use a drain snake?
do not give more pressure to the snake. you may break any pipe, which leads to bigger problems.
do not wriggle or try to pull it out, with force.
your hanger may look exactly like your snake. your hanger might get stuck inside the drain leading to serious problem or causing damage to the drain. a snake is not very expensive. you can 