Complex sentence: There was one (non-rotating) gobo wheel with 10 positions (9 gobos plus 1 open); the gobos could be easily swapped for custom designs-unlike the VL1.
Split into simpler sentences: There was one (non-rotating) gobo wheel with 10 positions (9 gobos plus 1 open). The gobos could be easily swapped for custom designs-unlike the VL1.