Quote:
if the pencil was pressed too hard and the point indented the gum,
Re : Graphite... the best type to use, and easily obtainable, is the
powdered type in a plastic tube, which all hardware retailers offer,
for freeing up (vis a vis) "lubricating" sticky key locks ...
Short of the above, you can create a "pool" of graphite by rubbing s
pencil point sideways back and forth on scrap paper, until there's
a reasonable accumulation, then rub a cue tip (or your finger tip)
into the graphite and rub the grill tips gently in a single direction
repeating as necessary...
The above methodology eliminates direct pencil contact, and risk...