Ah the floyd rose .. what a great invention! without him and his brilliant crateur, we would still be in vintage Fender, (but I totally respect, given its year of Fast Fashion: The 50's) short to return to the Floyd and its derivatives (kalher, Schaller, Wilkinson and all brands under license, lag, Godin, Ibanez, etc.) it can vibrate in all directions, without a disagreement Yota .. One drawback: cut the loops of string when changing. although the latest versions around this .. and what fun these little calves of fine tuning, as you adjust to the quarter-tone! .. much more accurate than the mcaniques tete.bref had to invent this beast, and RM-PINK FLOYD the did, in the late 80's, when guitars'heroes invaded the market. (van Hallen, satriani, vai and co), some versions of stratos jap or fatstrat, after 90, have home .. and that's fine.