First, read the English article below.

Place a cutting board between the front and back of your shirt so that you don't cut through both layers. Optional: Wash the shirt. The sections that you cut will roll up at the edges to create a punk-ish effect. 

Now, please write a short abstract for it in Chinese. Abstract:
紧身T恤效果最好。 将T恤平放在台面上。 完成啦!