While the book is not perfect - the acronyms (SHE, SLIP, etc.) complicated things for me a bit - it is still better than most other books on simplicity aimed at business people.
If it's a squeeze to slip the cardboard inside, fold it a bit. Don't worry, it will flatten out and will still be supportive.
如果放入时有点紧可以将它稍微折弯一点，放心它还会展开的，不会影响支持效果。
3
Achilles Heel: Tang's really a bit of a soft touch, so appealing to his gentle nature and befriending him first would get you close enough to slip some poison into his food.