The Kaye Swivel Limiters can be added to limit swivel travel on any Kaye Posture Control or PostureRest Walker with swivel wheels or any Kaye Anterior Chest Support walker, models YFS or YS.  Without the swivel limiter, the swivel wheels can swivel 360°. Adding the WSL-1 limits the amount of swivel for users who cannot manage free swiveling. The WSL-1 slides to change the amount of swivel. This helps tracking if the child has asymmetry.