Set up a code word ahead of time to let your friend know if you need help. (articlesfactory.com)
Let the dive centre know if you need any help refreshing your buoyancy skills. (siladen.com)
At the same time, Dunaway and Gonzalez had heard from Julie Nomi, a product development and sourcing veteran who had admired their Kickstarter project and contacted them wanting to know if they needed help. (inc.com)