Reed Spline is a wedge shaped wood fiber that is used along the edge o f a caned area. The spline is pushed into the groove to hold the caning taut. For use with cane webbing. Natural. Commonwealth Basket-Reed Spline #8. Reed Spline is a wedge shaped wood fiber that is used along the edge of a caned area. The spline is pushed into the groove to hold the caning taut. For use with cane webbing (sold separately). This package contains 6 feet of.1875 inch wide reed spline. Imported. Not only is this the ideal basket weaving embellishment material, but this reed roll can also be used for wedding decor. The light brown color looks great untreated, colored, or stained and is easy to work with. For the best results, soak the reed before forming or using it. Used along the edge o f a caned area. The spline is pushed into the groove to hold the caning taut. High quality. Made in the USA basket and seat weaving kits as well as a wide range of other supplies. For use with cane webbing (sold separately). This package contains 6 feet of .1875 inch wide reed spline. Material for creating lightweight wicker storage baskets, woven wall decor or embellishing tabasco baskets.