Thresholds:
egress of,
ingress of,
ledges,
precipes,
being passed through,
orifices,
doorways,
corners
Approaching or receding
appearing and disapearing
being mistaken for a telephone
being mistaken for a hand-bellows
the cat
Being the piggy that goes wee wee wee all the way home
Being any of the other piggies.
Mandarins