Just like these easy tricks byLRN2DIYon YouTube!
Trick #4
Consider using sink plungers that are specifically made for sink and drain.
Same as other ordinary toilet plungers, sink and drain plungers also work the same way.
Image credit: LRN2DIY via YouTube
They force air down the system to remove any blockages.
Insert this into the drain, give it a few twists, then pull it out.
However, this method may take more time than zip ties.