This is a brief, crack climb found on the Bubble just L of Cold Sweat. It's probably been done before but it's not in R Rossiter's Boulder Climbs North or Flatirons guidebooks. Gave it a name because unknown crack sounded boring. It can serve as a way to get a TR on Cold Sweat, a way to get the blood flowing, or just a pleasant, if brief, romp.
Find this on the WSW face of The Bubble, which lies just W of N Dinosaur Egg. Approach via NCAR to the Mesa Trail, S to Bear Canyon Trail, up (N) the gully between the 2nd and 3rd strata. If you back up from N Dinosaur Egg to examine the route Cloud Walker, you'll back right into the E face of The Bubble.
A combination of jams and large face holds allow this slightly-overhanging, R-leaning crack to go at a moderate grade. Tape is not necessary. There is a 10-15 ft traverse R to the anchors of Cold Sweat (2 cold shuts) as the crack peters out. Rap the route. 35 ft.
It is probably equivalent in difficulty to Mr. Natural in Eldo, which is 5.8+, but it's slightly steeper.
#2F to #4 Camalots useful.