Curmudgeon691, in a moment of unbridled curiosity and horniness, turns his toolbox into a kinky playground. He selects a large, gleaming wrench, its cold metal promising a unique sensation. He lubes up his ass, the cool liquid making his hole pucker in anticipation. Slowly, he eases the wrench inside, the tight pressure making him groan. He fucks himself with it, the wrench's ridges and edges stimulating his prostate in ways he's never felt before. His own cock aches with need, but he's too focused on the intense ass-play to stop. He fucks himself harder, the wrench slamming in and out, until he can't take it anymore, pulling out to jerk off, cumming all over his tool-strewn workspace.