Be sure to make the hood from black, non-reflective cardboard so it absorbs all of the outside light. Mine is covered with black felt as well and velcros to the keyboard with tiny Velcro strips.
Good Luck,
Gary
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Travlin' Easy
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PSR-S950, TC Helicon Harmony-M, Digitech VR, Samson Q7, Sennheiser E855, Custom Console, and lots of other silly stuff!
K+E=W (Knowledge Plus Experience = Wisdom.)