Attachment for portable garment steamers
This person discovered a plasticky-looking object with a clip and a handle. Not knowing what it was, he consulted with the internet gurus to find the answer that had alluded eluded him for so long, or as long as it took to upload the image and ask the question.

This thing is an attachment for portable garment steamers. You hang up an article of clothing and use a portable steamer to steam the wrinkles out of it. This hanger-like contraption doesn’t work so well with jeans, though. After pressing clothes, let them air-dry for about 30 minutes to let the moisture dissipate.