Remember how difficult the Chudda-cha was? This is even worse. Through two reps of this little baby, you can clock up to about 56 individual muscular impulses. Or impulsi. Whatever.
Example:
|| | | | ||
|| > > > | > > | > > > | > > > ||
||: T / T X | / T X / | T X / T | X / T X :||
|| |_|_|_| | |_|_|_| | |_|_|_| | |_|_|_| ||
|| |_|_|_| | |_|_|_| | |_|_|_| | |_|_|_| ||
R l R L r L R l R L r L R l R L
1 e + a 2 e + a 3 e + a 4 e + a
T=diddled flam X=flam /=inner beats Capital letter=accent hand on flam
lower case letter=unflammed inner beats
The important thing to remember while learning this rudiment is to always play the un-diddled flam at the same height level and dynamic as the diddled flam.
Oh yeah. And relax. | 
