"Because often you only want to tune up one string not the whole lot."

Yes, I understand that (see previous posts). My question was in relation to tuning all 5 strings up instead of using a capo. (as per original guitar question) I can't see the benefit...... surely much better to capo up and either have spikes fitted or use a fifth string capo as well?

BTE Rapunzel, I think you've heard me playing in Double C........