浴缸的下水管漏水慢了，怀疑是管道有点堵，想把塞子旋出来用工具通一下，有谁知道怎么旋出来吗？谢谢

for a plumber, it is a two minutes job when you have a pop up for your tub drain, do not try other methods, just disconnect your pop up stopper, this is the only way