You need to use the moving piston to hit a mob directly on top of their head. Many players complain this is glitched, but it usually comes down to angling. Hitting the sides or bottom of the character's head box will not trigger the flag. Center your camera above them and time the piston drop perfectly.
: A previous "multiplier hotfix" patched an exploit where certain items allowed for near-infinite money generation in minutes. lovely craft piston trap achievement guide patched
Place a Pressure Plate on top of the raised trapdoor block. You need to use the moving piston to
: You used a wooden pressure plate instead of stone. Items dropped by mobs can trigger wooden plates, messing up the timing. Always use stone. Center your camera above them and time the
: Buy six wood and one hide from the in-game shops.
: Use scissors on the sheep character to unlock this variant. Status of the "Patched" Version