Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.
Well, how do you fix this? If you have a lathe, you could make a new one. Otherwise look for something like a toothpaste cap with a similar threading maybe. I assume 200mW pen is expensive, so paying ~$10 or less for getting a 5mW one in the same host to get the tailcap is not that bad of an option.