After shaping the meat, roll the skin starting with the edge closest to you, tucking in the side edges as you go. Roll until the meat is fully ensconced within the skin, then place it, seamside down, on a plate. Repeat until you've used up all the pork. (For a great step-by-step visual, check out The Little Teochew's images of how to roll ngoh hiang
at the end of this post).