Since I wanted to use both the regular and reverse blades, I had the offset handle modified into a symmetric handle.
BEFORE
AFTER
Modification fee: from ¥15,000
https://unison-scissors.com/pages/customize
Please contact us first!
0120-317-833 or 
Unison Co., Ltd.
Beauty and barber scissors: manufacturing, direct sales, custom orders
Sharpening, maintenance, polishing, modification