Black Burn wrote...
Peltor wrote...
[font=Verdana]Sit up straight. Don't use the backrest. Use only 1/4 of the chair.[/font]
I noticed it too when I use only 1/4 of the chair my back seems more straight.
[font=Verdana]That's "sitting at attention" for 'ya. You'll stay awake even on a bus.[/font]