The toilet bowl sucker used this way! Learn how to block the toilet

https://www.shunchen.com.tw/tl01.htm

The suction cup of the toilet is a daily necessities that every household has, but few people know the correct way to use it. Master Liang of the YouTube channel "House Water and Electricity" personally uses a case to demonstrate it. A suction cup is used to solve the toilet blockage. In the film, Master Liang said that most people will push the suction cup hard, but the key to using the piston suction cup is the moment when it is pumped, and it is best to straighten the hand when using it. Teaching from it, let everyone learn, you can help yourself immediately when you encounter a toilet blockage at home.