1, the most basic way to play is to hang a knife and get it back.
2. The second way to play is to open a small crack with your fingers, then quickly throw the knife out and turn it upside down. After opening a small mouth, squeeze it quickly, and then wait for the knife to fall back into your hand.
3. Radish knife is a toy similar to a knife, made of plastic. Because it looks like a carrot and slides by its own gravity, it is also called gravity radish knife.