Your search for "handlebar clip-on" revealed the following:
SAS02D - DAMPER STEERING SUPPORT OHLINS D.53MM
$71.24DIAMETER 53 mm. ALLOW USE OF ANY OTHER HANDLEBAR. READY TO INSTAL
Variable section handlebar (_ 22-29 mm/H 30 mm)
$135.60Variable section handlebar (_ 22-29 mm/H 30 mm) MA006B
SCRAMBLER DUCATI DESSERTX Urban accessory package 97981183AA
$1,311.06Maximum riding pleasure and practicality during your daily travels, whether in town or in medium range touring, thanks to this...