How to install crown race?

[Guinessisgoodforyou]

Nothing at all, my dear fellow. But it’s a bit late in the day for repetitive banging.

Oh I don't know...

 

[Imlach]

Nothing at all, my dear fellow. But it’s a bit late in the day for repetitive banging.

Are 1 1/4 particularly fiddly? I've never had a crown race require more than 3 taps