this post was submitted on 29 Sep 2024
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[โ€“] Agent641@lemmy.world -2 points 2 years ago (2 children)

The logic of it being for propulsion falls apart one they leave the tunnel and no longer have anything to push on.

[โ€“] MY_ANUS_IS_BLEEDING@lemm.ee 18 points 2 years ago* (last edited 2 years ago)

Canal boats were traditionally towed by horses alongside on the tow path, but the paths don't go through tunnels so it's feasible that this was what they did to get through

https://en.m.wikipedia.org/wiki/Legging_(canals)