His instruction was top notch. As a float tuber who visits Mammoth Lakes regularly, I always rely upon Rick's for gear and to use their air compressor. This October OCRWC returns to Mammoth Lakes for its 10th anniversary event!Join us in the stunning California mountains and take on the mighty Mammoth. On a recent trip to Mammoth a friend and I booked Cog as our guide. [HOST] + 1. I was stunned when i first stopped. publicaciones; 72 Photo by The Fifty Project on February 19, Gear Review Mammut Barryvox S · Photo shared by. . Mammoth Sound Studio. Not yet rated (1 Review). Cog has great interpersonal skills and was very patient. 1d [HOST] May be an image of text that says. Photo by Evan Michelson on January 11, May be an image of 1.