Alternately use a piece of superfine 0000 steel wool to buff between shellac layers.
Sanding primer with steel wool.
I don t think he was using epoxy as his base as i don t remember anyone using it then.
Sand any raised wood grain or uneven globs of shellac with 400 grit sandpaper.
Steel wool can be used instead of fine sandpaper for many sanding jobs.
The main advantage of using steel wool rather than sandpaper is that the steel wool can compress to almost any shape so it can be used much more easily in hard to reach places as well as on complex shapes such as.
The steel wool is very fine and will actually scrape off a very fine layer leaving a silky smooth finish often referred to as a hand rubbed finish.
Re coat and sand with 220 then 2 wet sands.
Think it was an etching primer.
I always use oil based primer on woodwork and cabinets so that i can sand it down to a super smooth feel before beginning my finish painting.
The very fine strands of steel gently cut into the surface being sanded removing an ultra thin layer.
Without a smooth base you can t get a smooth finish.
Synthetic steel wool creates an even silky smooth finish that s a joy to look at and feel.
3 drys and 2 wets each round of sanding preceded by priming.
Sanding removes defects and levels ridges.
For large flat surfaces use a sanding block to get even pressure.
Use 220 grit paper or fine sanding sponges to sand everything down once the primer has dried enough that it generates dust when.
That said sanding bare wood beforehand to create a smooth foundation is key.
Primers may be applied with a roller or paintbrush or from a spray can.
This is standard practice with any wood finishing job and is nothing out of the ordinary.
Follow immediately with the first coat of primer.
Wipe the surface with a tack cloth to remove the dust.
Sand lightly with 240 grit sandpaper between coats then let the last coat dry for at least 24 hours.
Using steel wood to polish wood might seem out of place and actually harmful to the surface of the wood but it isn t if done properly.