That was my first thought - I selected some generic USB pedal, but it failed to arrive, so I used what I had at hand. Also, there could be a problem with pre-made USB pedals - they may only transmit events on pedal down, like it happened for Vim Clutch author (<a href="https:&#x2F;&#x2F;github.com&#x2F;alevchuk&#x2F;vim-clutch" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;alevchuk&#x2F;vim-clutch</a>).