I haven’t seen this method of proofing on any other linocut websites (and there are quite a few!) but it may be because I’m always trying to squeeze more detail out of a fairly “coarse” medium.
This video goes into the process of proofing with a rubbing, in order to see what is actually cut. Since the process is to do a black line drawing on the lino, then cut away everything else, it’s often difficult to “see” the cut areas clearly as work progresses. The rubbing reveals all this easily.
‘Stop him, stop him!’ cries the woman, almost breathless. ‘Stop him, sir!’
He darts across the road into the boy’s path, but the boy is quicker than he, makes a curve, ducks, dives under his hands, comes up half-a-dozen yards beyond him, and scours away again. Still the woman follows, crying, ‘Stop him, sir, pray stop him!’
Mr. Guppy sitting on the window-sill, nodding his head and balancing all these possibilities in his mind, continues thoughtfully to tap it, and clasp it, and measure it with his hand, until he hastily draws his hand away.
‘What, in the devil’s name,’ he says, ‘is this! Look at my fingers!’