Purpose: to enable the boat to crunch through driftwood, bounce over logs, hurdle narrow land spits, climb a beach and land a party dry-shod, wham up on a sloping concrete sea .
But in either case, says Toynbee, she will only transform her lake into a road and let in the "landlubber dry-shod.
Barges were coming in to Japanese jetties now, landing the troops dry-shod.