Broad Bean plants going bushy

Hi fellow growers.

I am a little unsure with what to do with my broad bean plants that I planted in November in the way of support. Most of them seem to have two or three shoots rather than just one and they are all falling over onto the floor. Also when do you take the tips out. Mine are starting to flower is this the right time?

Any help; gratefully received.

Thanks a lot for the advice, would you stake the individual shoots then? sorry for the daft question

great tip, I do have some of those yes. Thanks again