Valkein spoons have been quite popular for trout fishing in ponds, so called trout areas in Japan.
This Twillight spoons are for rivers. XF has narrow body shape to swim well in fast currents.
XS has wide body to catch water better at slower retrieve, and you may have it swim at deeper ranges, suitable for calm water like lake and slow rivers.

Photos are for colors, and actual shape is not that on each photos. XF is in narrow shape, and XS is in wide shape.