#1
My friend has a raised bridge and he came over i didnt really notice the raised bridge until i realized he didnt have a whammy bar and i decided to lend him one of my extras... then when i was trying to screw it on I noticed it made a harmonic-like sound when it touched the strings ( I'll let you know it was plugged in and the distortion was on). Well, Im not very good at soloing so i thought it would be really cool if other people incorporated this sound into their guitar solos. trust me. the sound is pretty awesome.
#2
probably the same effect as a bottleneck at the high frets if that's what you mean...
I like analogue Solid State amps that make no effort to be "tube-like", and I'm proud of it...

...A little too proud, to be honest.