WRINGER

[noun] [C]A wringer (also mangle) is a machine used, esp. in the past, for pressing water out of clothes by putting the clothes between two heavy rollers which are turned by hand.A large cast-iron clothes wringer stood in a corner of the kitchen.(informal) If you put someone through the wringer, you ask them difficult or unpleasant questions, esp. to find out whether they are doing their job satisfactorily.The committee really put our department through the wringer - investigating our procedures and questioning students and staff.Outside investigators will put the company's accounting practices through the wringer.