I use one on my Mustang seat all day comfort and I just sit on it.
Jack, did you go with the Medium? My mustang needs a little held and I have some long miles coming up.
2015 Matt Grey F6B Deluxe - Gloria
2011 BMW K 1300S - Stella
2000 Triumph Sprint ST - Trixie
2000 Ducati Monster 900 - Monster
1985 HD FXRS (Still in the Shop as a reminder) - Frita
1984 HD XLX - The First