A wooden blobby thing on a green piece of fabric. One end is a handle, while the other is shaped more or less like the toe end of a shoe. It is stamped with the words “Foot-form patented” but the patent has probably expired by now.
https://stockroom.wandering.shop/media_attachments/files/113/708/597/200/300/356/original/3abec3811b6c91c6.jpeg