Boss GK-5 Guitar Synth Pickup

compact, versatile and a lot of adapters to be able to be assembled on almost any guitar, the sound is very good and the assembly (following the explanatory videos) quite easy. Just a couple of small ‘buts’ that could be improvements for future versions although one I don't know if it would even be possible. The first one is the cable that I would like to be a bit more robust. The second one is that it's a pickup that doesn't adapt perfectly to narrow neck guitars so the pickups don't fit perfectly with the strings, if it could be retractable it would be the a top notch.