[Paddlewise] Techno-Junk

Let's review this once again.
Exactly what techno-junk is Scott recommending folks leave behind?

Pumps, towlines, spare paddles, charts, compass, PFD, wet/drysuits,
smoke/flares, weather radio, horn/whistle, airbags, ?

List it out; which stuff is unnecessary excess?

Thanks,
Chuck Sutherland
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