Tentacles OpenForge 2x4 Dungeon Wall
In 1983, I created a dungeon adventure that had a "trap" in a corridor. The evil wizard had placed "tentacle monsters" in the wall that would stretch out to grasp the meddling adventurers. :)
Here's my quick mashup of that wall.
Remixed from OpenForge Stone Dungeon Walls by devonjones and Tentacle chess pawn by VeerleC