leave the poor guy alone, i did 2 4age engine replacement in my first AE86 and i still didn't know how to install one of these drift buttons 3 years later into my s13...lol

it stumped me for a whole day, i did similar thing, tried to look for an opening on the hand brake leaver..maybe a screw to take off to open the whole thing but it was all one peace, i was like WTF!! i didn't try hack into it though, youtube the thing and "oh yeah!" just unscrew the stock button...

it was a hot 38deg that day i tell you..