Siemprevivas cuttings & pruning

in Plants
Hi all, I need some advice on how to prune my Siemprevivas 
and, take cuttings for these seemingly bombproof plants as they seem a bit leggy. Also, when is it best to do this.
Thanks for any replies
Andrew


Thanks for any replies
Andrew
0
Posts
https://www.rhs.org.uk/Plants/17164/Sempervivum-tectorum/Details
"We don't stop playing because we grow old; we grow old because we stop playing." - George Bernard Shaw
Looks more like a Sedum,Echeveria or Aeonium.