Watch the Cymbalum Sound: 2 online guitar lesson by Reinier Voet from 50 Gypsy Jazz Licks You MUST Know
This cymbalum trick is an extension of the first one. This one is also useful in other situations. Django used this lick in the 40's on several recordings, but some more modern players are using it as well. It will give you a nice dynamic rhythmic effect, because it is a three-note motif played in 8th notes.