Sustain Pedal for Keyboard, Sovvid Upgrade Universal Piano Foot Pedal with Polarity Switch for All MIDI Keyboards, Digital Pianos, Electronic Keyboards : Amazon.co.uk: Musical Instruments & DJ
Lead Foot LFD-2 – Thomann UK
Roland DP10 piano style sustain pedal - Andertons Music Co.
Piano Pedals » What do they do and how to use them | flowkey