Mechanic

The Mechanic is an NPC, which should be saved from Dungeon. She sells an assortment of pressure pads, ranging from red to blue, a piece of wire for 5 silver, a wrench for placing the wires for 2 gold, and, for the same price, a wire cutter, used or getting rid of the wires you misplaced.

Once the Goblin Tinkerer has moved into a house, he will sell the following: