3 pedals on piano Universal Triple Sustain Pedal Unit for Digital & MIDI Keyboards, 3-in-1 Full Sustain Function Pedal Board with 1/4" (6.35mm) Plug & Polarity Switch : Musical Instruments Helium- und Gaseinschlussbeutel - UStTyp:MT:1 Lens:BLUE MIRROR LENS

3 pedals on piano Universal Triple Sustain Pedal Unit for Digital & MIDI Keyboards, 3-in-1 Full Sustain Function Pedal Board with 1/4" (6.35mm) Plug & Polarity Switch : Musical Instruments Helium- und Gaseinschlussbeutel - UStTyp:MT:1 Lens:BLUE MIRROR LENS

Helium- und Gaseinschlussbeutel - JW Automarine

If you don’t have a range near you, then add an archery block or target to the list, because that is something you will need

UStTyp:MT:1

Lens:BLUE MIRROR LENS

The differences between these generations can be dramatic from the perspective of the user, but underlying all of them is similar technology (via HowStuffWorks)