as title 不是问背袋喔XD
站着弹吉他单肩背带感觉重量很不平均
台湾有哪里可以买到这种的双肩背带?
https://www.slingerstraps.com/harness-strap-guitar-strap.html
https://www.musiciansfriend.com/accessories/slider-straps-dual-shoulder-strap
http://www.gruvgear.com.php56-5.lan3-1.websitetestlink.com/duostrap-signature
有人用过这东西吗? 效果如何?