To prevent a trouble beforehand caused by deformation in handling clothes to be hooked on a hanger by sandwiching and correcting a hanger hook between a projecting face and a recessed face by an operation means.

A movable part 26 of a vise 22 is vertically moved with the operation of an operation handle 28 and a presser member 25 is approached to or separated from a pedestal 20. The pedestal 20 is fixed to a top right end part 23 of the vise 22 provided on a plate 21. The pedestal 20 has a recessed face 24 formed in such a shape as being matched with the original shape of the hanger hook 10. The presser member 25 is joined with the top end of the movable part 26 of the vise 22 by welding and a semicircle projecting face 27 matched with the recessed face 24 of the pedestal 20 is formed on the top matched with the recessed face 24. The presser member 25 is so operated as approaching to the pedestal 20 by movement of the movable part 26 of the vise 22 by the operation of the operation handle 28 and the hanger hook 10 is sandwiched between the projecting face 27 and the recessed face 24 of the pedestal 20 so as to be corrected into its original shape.