Complex sentence: The "shuti hieroglyph" and crown may be based upon Maats ostrich feather, the single curved-top Shu-feather (hieroglyph); it is shown in iconography in both the straight-feather form (when used as a doubled crown).
Split into simpler sentences: The "shuti hieroglyph" and crown may be based upon Maat's ostrich feather, the single curved-top Shu-feather (hieroglyph). It is shown in iconography in both the straight-feather form (when used as a doubled crown).