Right, so my old yoyo breaks and i was in a shop yesterday and I bought a Duncan Mosquito. I have a go with it out of the pack and it won’t sleep if I throw it at all hard. I rearange the rings (I don’t know the technical name) and it will now sleep if I throw it really slowly … which is no good for tricks. So can anyone tell me the way the rings should be arranged on a mosquito to make it sleep if thrown hard! 
mosquitos are not really ment for tricks
Be rings I assume you mean response pads? Try taking one out. That should make it a bit less responsive, but still come up with a tug.
You need to break in the bearing and taking out one of the pads should help.
Cool, i’ll give it a try!