Tools/materials: knife.
Specific steps are as follows:
1, first get a shrimp, find and in the shrimp line where the tail of the knife.
2, use the knife to cut through the shell of the shrimp, find the end of the shrimp line to pick out.
3, gently pull out the shrimp thread with your hand.
4, until all pulled out until, do not too hard, easy to pull off.
5, you can remove the shrimp line.