Take a couple of pieces of the pigs skin and score with a sharp knife taking care not to cut right through.
Pour a kettle of boiling water of the scored skin and watch the skin tighten and the scores open.
Hang the skin to dry
Once dry rub in salt
Pre-heat an oven to 250°C and roast in the top of the oven.
Its done when its a nice golden brown colour. Break up into manageable size pieces and enjoy.