Riding a unicycle across the ridge of a butte. Nope! (Video) By: Martin In: Video, WTF Jun 2, 2016 134 Liked! 93 Disliked 0 J.D. Grignard is a daredevil from Saskatchewan, and he decided to ride a unicycle across Castle Butte. It’s only one metre wide, with a 60 metre drop on either side. Sure. Via J.D.’s YouTube Category: Video, WTF Via Rumble Like this post? 134 Liked! 0