This is a seat locker, a device to secure the seat when folding a folding wheelchair. Are you having trouble with the seat opening during loading or transportation in a car? Normally, the seat will be slightly open when folded as shown in the fourth image, but this jig can be used to secure it. It is easy to attach and detach. It doesn't take as long as securing with a belt. It can also prevent the seat from opening when loading into a car. Applicable wheelchairs have a seat pipe diameter of 19mm or less and a folded width of 70mm or less. The wheelchair in the photo is an OX Engineering GWXⅢ. Dimensions can be changed. Please consult us in advance. It is made with a 3D printer. Therefore, there may be layer lines and burrs (snags), but please understand. It will be shipped by Nekopos. Material: ASA