No, there is NO import duty on <£135 purchases - it's entirely unrelated to VAT.
Paying VAT at the point of import is NOT the same as import duty.
Just as the excise duty on spirits is not the same as VAT.
A standard plug/socket for pedal connections including signal and power so all you need for a pedal board is to push the pedals down onto the plugs and lock them in place, no visible patch leads required.
Lever operated mute at the bridge of most basses.
A non-slip adhesive backed pad you can fit to any strap.
If you’re charged too much or return your goods
Ask for a refund of VAT or Customs Duty if you:
return your goods
think you’ve been charged too much
Download and fill in:
form BOR 286 if Royal Mail or Parcelforce delivered the goods
form C285 if a courier or freight company delivered the goods
I bought a Nikon camera from Japan as a grey import about five years ago, all charges paid at the checkout, I saved about 20-25%. All kosher, except it had the wrong pinout on the charger.
Neil