Microsoft make one with an admittedly less extreme slant but slanted none the less. Really surprisingly good... https://www.microsoft.com/accessories/en-us/pro

Microsoft make one with an admittedly less extreme slant but slanted none the less. Really surprisingly good... https://www.microsoft.com/accessories/en-us/products/mice/sculpt-ergonomic-mouse/l6v-00001 https://www.microsoft.com/accessories/en-us/products/mice/sc...