[Norm Lenhart]

Earth First, they of the save the planet Sierra Club fame, used to sell a book on ecotaging off-roaders. It involved wire across trails at neck height of a seated dirt biker.

It was real. I used to have a copy.

[TexasTransplant]

**** “ It involved wire across trails at neck height of a seated dirt biker. “ *****

I was pulled over back in the late 70’s while riding near Ashland Oregon (Southern Oregon) and told not to Trail Ride because of that and the Officer said they also put Fish Hooks at eye level ... he said it was the Pot Growers (6 of 1 half dozen of the other)

[Lonesome in Massachussets]

It involved wire across trails at neck height of a seated dirt biker.

German and Americans did that during World War II to snag enemy motorcycle couriers. After the war, some German werewolves persisted.