Your search for "handlebar clip-on" revealed the following:
CPPI05 - 7 BUTTON HANDLEBAR STREET SWITCHED
$361.047 buttons, replaces the oem in plastic, keeps all functions. Already wired, ready for fitting in 10 minutes.
NCR GT Handlebar Riser Kit - Titanium Hardware
$339.00NCR handlebar riser kit for Ducati GT applications.Titanium hardware included.
AELLA DUCATI MONSTER 1200 R ADJUSTABLE HANDLEBAR AE-27038
$698.70Description Monsters have lots of voices such as long handle and shallow angle. AELLA will solve the problem with a variable...