They'll never send a pair on their own, someone would have to buy it and send it to Tyll. As per a few posts above distortion is fairly easy to measure and if their magic process actually helps with that it'd be measurable. Typical snake oil cable company bullshit.
Speaking of cables, holy hell are their cables expensive the "starting" price for each one is for the 4 ft cable. Who the hell only needs a 4 ft headphone cable? Fuckers.