How — To Do Halloween Ritual In Lovely Craft Piston Trap Portable

Is this a specific mobile game or app title you are playing that features these specific mechanics?

Specifically how to build a piston trap or perform a "ritual" (like summoning a boss or using a mod) in a portable version of the game?

Are you referring to a specific in-game item or a hardware device ?

To make sure I give you the right information, could you clarify what you are looking for? Are you asking about: