The Toho Quatra is divided into 4 sections. You inflated the cushion evenly then release air from the sections selectively that have the most pressure on them. It keeps your butt sitting evenly.
Bill age 56 C6 Incomplete since 7/20/68 Leesburg, FL Welcome To Shit Creek ~ Sorry, We're Out of Paddles! ----- Original Message ----- From: [EMAIL PROTECTED] To: [EMAIL PROTECTED] ; [EMAIL PROTECTED] ; [email protected] Sent: Monday, May 14, 2007 6:21 AM Subject: Re: [QUAD-L] Quantum 6000 How is it different than the roho? Thank you for that information. Dana ------------------------------------------------------------------------------ See what's free at AOL.com.

