Finally, a cheap, non-destructive solution to the infamous Q701 headband torture issue...almost! : r/headphones
AKG 2458M98080 – Headband Assembly for K712 – DJ Lighting Discount
Amazon.com: Geekria Protein Leather Headband Pad Replacement for AKG K845BT, K845, K545, Headphones Replacement Band, Headset Head Cushion Cover Repair Part (Black) : Electronics