lung training tools

Posted by Doug on December 01, 2001 at 13:16:55:

Saw this in my newest Gadget Universe Catalog. Has anyone tried this or something similar?

• Power Lung

Follow Ups:

• Re: lung training tools Steve Dedman 12:20:05 12/04/2001 (0)
• Re: lung training tools Brian Frederiksen 10:44:40 12/03/2001 (1)
  • Re: Re: lung training tools Chuck(G) 14:07:44 12/03/2001 (0)
• Re: lung training tools Jane 13:37:13 12/01/2001 (0)