From a skin track off to the lookers right side I watched a party of 2 ski an E facing slope off Bob's Knob. The first skier triggerer some small wet loose slides but was able to ski the run 3/4 to the bottom where they stopped to wait for their partner. The second skier traversed farther left and triggered more wet loose slides in the upper 4-6", each time stopping to let them go. As they continued to traverse the triggered a slightly larger one that took them off their feet and carried them for approx 50 feet before they were able to self arrest. Their partner was off to the side and was not caught although the debris seemed to run equal to or below the elevation they stopped. The debris fanned out to approx 150' and ran to the aspens at the bottom. The skier who was briefly caught did not appear to have sustained any injuries and was able to ski down.

I'd classify this one as a WL-ASu-R1-D1-I.

I snapped a photo and a couple videos included below.