You probably can, but coming to a complete stop in 3rd might lead to the clutch plates not actually being aligned to shift down while stopped. In that case you’d have to slowly let out the clutch, not all the way, and listen for the plates to catch before pulling in the clutch to continue downshifting… and you might have to do the same thing again when in 2nd. What I do is to start braking first with front and rear brakes and then slowly let out the clutch to get added engine braking. I’ll then start to downshift, blip the throttle or slowly let out the clutch (whichever I feel like doing) to rev match, and continue to repeat the downshift parts until in first and then clamp the brakes to completely stop. If you downshift to quickly, don’t blip… over-revving the engine happens easy. Ease the clutch out sloooowww instead.
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If there’s anything more important than my ego
around, I want it caught and shot now…