In Level 171 of Pull Pin Puzzle, you can pull the sliding pin where the ice is, click the sliding pin quickly to reset the sliding pin, and move the shared sliding pin to solve it.
Pull out the slip stitch
After pulling open the sliding pin where the ice is located, quickly click the sliding pin that can move back and forth so that the ice can smoothly reach the lower left corner without hurting the heroine.
Pull the male protagonist and the snow monster's slippery needle
Reset the sliding needle that can move back and forth, and pull the sliding needle shared by the hero and the snow monster.
Successfully rescued the heroine
The snow monster was extinguished in the fire, and the male protagonist also successfully reached the heroine and successfully rescued her.
