1/4 cup dishwashing liquid pour over clog. Let set 30 min to an hour. Then hot but not boiling water a good gallon over it the soap “greases” the mess, the boiling water gets the tp broken up. Other wise use a plunger and plung the clog through the pipes.
The bucket of water trick is also a great way to empty the toilet bowl to then give it a good cleaning!
Here are 7 ways: https://bfplumbingbayarea.com/blog/7-ways-unclog-toilet/