In the 138th episode of Taps and Patience, AJ and Harrison discuss updates from their manufacturing shops, including AJ's experience with a mouse in his workshop and his automation efforts with a 3D printer, while Harrison shares challenges in integrating a new robot system into his own operations. They also detail their experiences with various tools and technologies in machining, emphasizing the need for good workholding, inspection tools, and effective communication systems in their businesses. Additionally, they touch on Subtract's transition into beta and emphasize the importance of improving sales processes and workflow management.