He smashed them. He had them build some more. Guitar World looks at Kurt Cobain's collection of custom Fenders and Ferringtons. Life is never easy for a left-handed guitarist, even a successful one. They just don't make nearly as many left guitars as they do righties.
Selection is always limited.
The rock ritual of smashing your guitar on stage had a special poignancy in Cobain's case. He really had to hunt for the things. After the phenomenal success of Nevermind, however, there were suddenly people who wanted to make custom guitars specially for Kurt Cobain. Interestingly, it was the guitar-smashing thing that led Cobain to both master builders. He hooked up with Danny Ferrington via Richard Thompson's guitar technician, who was friendly with Nirvana roadie Nick Close, who was desperately searching for left-handed necks to replace the ones Kurt had destroyed onstage.