I've taken off the rubber wrapping and rasped filed and sanded down the slip of sapwood. I'm pleased with the result. I haven't applied a finish yet and I'll leave it another 24 hours before stringing it and testing it... lets hope it doesn't ping off! First pic shows it shortly after the wraps came off and I started working down the lower end. Second pic shows the growth rings being exposed as I start to blend in the upper end. Last two pics show the final cleaned up edge and face, hopefully once it has a few coats of Danish oil it will barely show.