Yes, I also think that they have to be lapped, so I ordered this, just in case...:)
Trueing Grille for Sharpening Stones | DICK
I think this set would be nice combination with a paddle strop dad found for me...
One side leather and one side linen...
Too bad he didn't have enough money with him to buy it, but the man said that he would keep it for him 'till the next weekend...
The man also said that he has about a dozen of old straight razors at home and that he will try to find them...:)