For court conversions the McWIL moveable glass backwall was created to offer a solution for using existing racquetball courts for both racquetball and international squash in the USA, where many racquetball courts were available and the demand for additional international squash courts was high. The McWIL moveable glass backwall is far-and-away the world's most popular solution to this problem, und fully electronic driven by floor soft rubber wheels.