Beach mat for amphibious deployment.
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Yes, these must be somehow inspired by Hobart's Funnies, the famous WWII modified tanks. Some examples:
https://s3-us-west-1.amazonaws.com/h...k_fascine1.jpg
https://s3-us-west-1.amazonaws.com/h...k_fascine2.jpg
https://s3-us-west-1.amazonaws.com/h...k_fascine3.jpg
When bundles of of sticks are used instead of a mat, the bundles are called fascine.
More:
Beach Access Mat - Mobi-Mat Defense
1964 US Navy Engineer Tests: Improved Beach Matting
https://en.wikipedia.org/wiki/Hobart%27s_Funnies
https://en.wikipedia.org/wiki/Fascine
Previously:
https://www.homemadetools.net/forum/...2504#post96473
https://www.homemadetools.net/forum/tank-silencer-51317
https://www.homemadetools.net/forum/...ed-tanks-51854
https://www.homemadetools.net/forum/...-rat-rod-56081
https://www.homemadetools.net/forum/...jet-tank-57085
https://www.homemadetools.net/forum/...-clearer-59694