Balance wheel jewel shock spring!!!!

[DFKG]

Please, is there anyone who can tell me the technique used to fit the balance wheel shock spring on a slave 2428!!!!!! I get two of the tiny lugs in to the recess but when I try slotting the last one in "TWANG" and off it goes!!!! Thank god for magnets. I've had to sweep the carpet with it 4 times so far!!!!! HELP.... 

[DFKG]

I managed to do it at last. Pushed it in with my smaller straight edge screwdriver. But if anyone can still tell me better please do so... Thanks...

[Nucejoe]

Put the movement in a ziploc plastic bag, stick your tweezers into the plastic to work on the shock spring.