This Video demonstrates how to Play the Flam Drum Rudiment.
Flam Drum Rudiment Defined from the Dictionary:
A drumbeat consisting of two almost simultaneous strokes of which the first is a very rapid grace note. (Music, other) a drumbeat in which both sticks strike the head almost simultaneously but are heard to do so separately.
2019’s Best book for Snare Drum Rudiments
Vic Firth offers a nice video explaining how to play the Flam
In this lesson series, Vic Firth artist and Education Team member Dr. John Wooton breaks down the 40 Essential Rudiments in easy to understand concepts. This video covers the Flam.