Guitarworz Guitar Strap,Jacquard Embroidery Cotton. Leather Ends. ROYAL MAIL UK. The GuitarWorz Jacquard Guitar Strap is crafted from Jacquard-woven fabric with elegant patterns. Players can indulge in a playing experience of supreme comfort and control. Roam the stage with complete freedom, as the pull-tested material holds your instrument safely and securely over your shoulder. What's more - the premium leather ends are compatible with more expensive Brand names.