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grenoire
on Sept 16, 2018
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We still don’t understand motion sickness
The act of tickling yourself is a two-way sensory exchange. You feel your fingers and your fingers feel you, whereas with a feather you don't have the latter.
thaumasiotes
on Sept 16, 2018
[–]
By comparison, it's also easy to tickle the roof of your mouth with your own tongue.
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