Boulder-weighted fish trap - GIF

Boulder-weighted fish trap.

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Previously:

https://www.homemadetools.net/forum/...705#post139905
https://www.homemadetools.net/forum/...516#post139354
https://www.homemadetools.net/forum/...787#post136935
https://www.homemadetools.net/forum/...546#post136063
https://www.homemadetools.net/forum/...950#post133761
https://www.homemadetools.net/forum/...749#post124124
https://www.homemadetools.net/forum/...899#post129383
https://www.homemadetools.net/forum/...909#post124696

Looking at the boulder size I was expecting it to fall on top of the fish to stun it.

I like that gravity trigger, would work nicely for some types of snare traps.

Is there not a significant danger to a curious passer-by?