How do i unclog a bath tub it has a plastic shampoo cap?

My son drop a shampoo cap in the tubHow do i unclog a bath tub it has a plastic shampoo cap?
I'm guessing it's an open drain, with no filter? Try a metal coathanger, straighten it out and use the curved end to try to grab it. If you can access the pipes under the tub, take it apart at a joint and you may be able to reach it easier, depending on how far down it is. If all else fails, call a plumber.How do i unclog a bath tub it has a plastic shampoo cap?
with a long sheet metal screw. screw it into the cap and pull it out with long nose pliers.
You might be able to suck it out with a shop vac if you have one.