4 x 200mm Black Flexible Hinges – No glue required. Low profile, Acrylic Piano Hinges. (8 in) -4 Pack

My first thought is some fabric or leather strips glued or riveted on over the existing hinges. Or just trim them off and do a whole strip down the side long ways Or something https://www.walmart.com/ip/3012769758?sid=C302581F-0786-47EF-8271-60C2BABC9014