Positional Alternates - Help

I’m working on a “script” font where the letters are solid vectors, but connect in the middle like an ink bleed. I would like the end letters to end clean, without the connecting point.

I’ve only ever used Font Self before, so all of the coding is brand new to me. I’ve read up on alternates from glyphs, but I’m not looking for randomized alts. I just want the first/last letter of a word to be different.

Help with this is greatly appreciated! Thanks!

Have a look at this tutorial:

Feel free to ask if anything is not clear or you have any further questions.