I know that it depends on the models. But Square/Isometric or Oval/Traditional is better? What are the advantages and disadvantages of these two shapes? How can these shapes help to improve our skill or technique or performance? Do you recommend Square/Isometric or Oval/Traditional ? Thanks.
Perhapse you can accustom yourself with the following thread first http://www.badmintoncentral.com/forums/showthread.php?t=11868