After creating the convex edge how do you maintain the edge? Touching up all angles or just the edge? Or anything in between? Hope this isn’t too dumb a question!
When touching up a convex edge on the WEPS, I’m not sure what Clay recommends, but I recommend only using the highest grit paddle set at the highest angle you convexed with (i.e., 3.5 micron diamond paste @ 20 degrees). Several very light, alternating strokes should bring back a tired edge without altering the convexity too much. You can do this as long as you feel the resulting touched up edge is satisfactory.
If your edge needs a little more work, you can go down a grit level (5 micron paste @ 20 degrees). If that isn’t working, then you have two choices: one is to convex again from the lower angle to the higher angle with the finer pastes and leather paddles (this should be done first, and if you go back to the 14 or 10 micron paste, the edge should be renewed indefinitely this way), or go back to the ceramics/diamond plates/stones to redo the convex profile altogether (better reserved for removing chips, etc.).