McPherson 4.0 XP Cocobolo/Bear Claw on sale now at Heartbreaker Guitar! Heartbreaker Guitars is an authorized dealer of all McPherson instruments. An incredible example of the talents of Matt McPherson: This 4.0 XP is decked out with an incredibly symmetrical Bear Claw Sitka over a breathtaking Central American Cocobolo. Mahogany neck with Ebony Fingerboard with Flamed Koa binding. Gold Schaller Tuners. Call for all details!