sierra
factory pedal/knee configurations

S-10 E9th 3 pedals/4 knee levers

D-10 E9th/C6th, 8 pedals/4 knee levers


Universal S-12, 8 pedals/5 knee levers, w/Change Lock


Universal S-14S, 8 pedals/5 knee levers, w/Change Lock

ed
Ed Littlefield's Custom S-14's

Sierra Online Manual
Sierra

Changing a string

Ed Packards PST13
laptop link