Yep, freak kitchen really freaks.. Morello aswell and Meshuggah, but just do this sweep fast

e|---------------------------16------
B|------------------14---------------
G|----------13-----------------------
D|--12-------------------------------
A|-----------------------------------
E|-----------------------------------

and then backwards, one half step higher, and then play it again at the 14th position on the g string. Continue cromaticly up to were ever you want to.. If it works right, it sounds crazy..

Also tap natural harmonics by thouching the string slightly above any fret, for exmple:

hit a G on the e-string and tap a natural harmonic on the 12th fret, an e again.