2. First of all, make sure that the character is empty-handed, and can't hold any weapons and equipment such as firearms, melee weapons and throwing objects.
3. Press Z to lie down on the premise that there are no obstacles and role cards around.
4. Press the C key when lying down, so that the player's character is in a crouching position.
5. Press Z again in the process of getting up, and you will succeed if you find that the operating angle has changed.