Easy to read but fiendishly difficult to write. I know of what I speak - this form is very arguably the most difficult poetic form I've attempted so far. A small number of these are 'not quite pure' double-dactyls taking license with syllable count rather than properly multisyllabic singular words.

For an explanation of what a double-dactyl is, here's an intro:
http://lotrscrapbook.bookloaf.net/poetry/haiku/dactyl.html

And here we go - ( 15 Character Double-Dactyls, Higgledy-Piggledy )

( And three double-dactyl drinks for the Road -! )