XB 
XE 
XF 
OB
OE
OF
K181 
C181 
Along the lines of industrial logic, he designed two tapered half-shells to which the leather was glued. This gave continuity to the form and allowed us to avoid the sewn seam, which would have trapped dirt and been susceptible to wear and tear.
I immediately found the proposal very interesting and innovative, so we developed it.
— Antonio Olivari
