I've taken the roll family from the 26 Standard American Rudiments and applied flams to them to create a set of rolls based on Swiss "Flam Rolls"
They're challenging to play at first but sound beautifully unique and, in my opinion, way too under utilised.
Here's the link to the accompanying pdf:
https://www.darrynfarrugia.com/product-page/flam-rolls-pdf-download
Here's a link to my "Flam Symmetry" video with an exercise to help even out your flams:
https://www.youtube.com/watch?v=HWIXiH11MCM&t=1s
