most convenient for the later proceedings. Too distant from the corner implies simply random slashings without specific purpose, and our purpose in this procedure is most serious, most purposeful, intent.<br /><br />In a word therefore the point of the knife penetrates the membrane slowly yet purposefully as close to the corner as possible, penetrating as deeply as possible without piercing the wooden slab beneath. A certain spurt of clear liquid may emerge, but let this prove no inhibition, as 