Fruit Machine Chat

i thought that some machines have alarms when theyre keyed...
i saw it on The Real Hustle anyway

i have a refil key that came with my Extreme "25".
will this key work on any other machines? and if so, wheres the best places to go so as not to run in to too much trouble or set alarms off?
sorry if this question is retarded
cheers

the local park shop near has a fruit machine in there: Red Gaming "Rampage" - its a nudge bandit. well anyway, my mate reckons when you get a question mark and you get a random bonus, if you hold the the 3rd hold button, youll always get super boost. i reckon its bollocks. he swears by it ...

hey new to all this =] ive just managed to get an extreme for my birthday. but i think its quite an old model - Extreme Twenty Five. Does the nudge rip trick i hear so much about still apply to this machine? if so, how do you even do it? also, anyone used this machine before? any good? much apprecia...