I wondered if anyone had changed the cable for this headphone want to use a soft material to reduce the bone conduction don't really matter the Apple Control (like the sound of C400, but the cable...)   or, is there any post about how to diy a headphone with Detachable Cable (like Shure)...

I currently get my new player hifiman 901 And I want to make a leather case But I don't know where I can buy a good quality leather cloth     I'm now in LA The leather I want is the hard one     Ask for help where can I buy it       THX