Quick Tip:
To type the symbol on your mac, just press shift + option + k.
And that's it! Subscribe to the wasteof.money account for more quick tips like these.
Unfortunately, this feature has not yet been implemented on the Apple Watch. We're sorry for the inconvenience and understand the necessity of it. We are now looking in to implementing it somehow. So, stay tuned!
Sorry, but we're not sure if this is possible on linux. And if there is a way, it may be very complicated. To type with ease, we recommend getting a Mac.