I made this 3D-printed Clutch mod for the Logitech pedals to give a degressive feel to the clutch. I've uploaded it to Thingiverse: https://www.thingiverse.com/thing:2829335 I've put the old brake spring along with a 10mm spacer to get the least needed stiffness. Not really a necessary mod to be faster. I just like to mod things where I can.