The ones you have to lift the stick thing up?
Yeah, I had the same issue racing Matt on an interval in Motueka, stuck for like 15sec until Patrick coming the opposite way & opened it laughing at me.
Yep. It seems pretty obvious in hindsight but I was fully encompassed in the competitive zone of midweek evening orienteering.
I got trapped in a fenced backyard pool in Oz. Very embarassing.