Hallo everyone, to show the love swrils you can follow these steps below:
If you are adove user, try these:
1) Select the letter
2) Window > Type > Glyphs
3) Show: Alternates for Current

For another references, You can try these:

https://www.youtube.com/watch?v=7vxrI2eq3qM

https://www.youtube.com/watch?v=cXZMzPmnlww

Thanks for downloading :)