A device for attaching at least one extension member to an article such as a wheelchair or the like. The device including at least one clamp means and at least one shoe means where at least part of the shoe means is positioned and/or secured substantially between the clamp means and the article in use and at least part of the device includes an extension member and/or is adapted to be connected to an extension member in use. The shoe means includes at least one channel or recess wherein said channel or recess includes one or more formations and/or a substantially planar surface.
