Rory replaces Kevin Utterson who has been forced to withdraw from the Scotland squad's training assignment in Poland due to a recurring groin injury.
Players will be put into the cryotherapy chamber in special suits, at extremely low temperatures for short bursts to aid muscular recovery, enabling the squad to cram four weeks worth of training into a single week.
Glasgow expect to send out a mailer this week with season ticket details, including prices and an application form.